"Sensei Kreese is right I can't be my worst enemy but you can!"
―Robby Keene to Johnny[src]

Robert Swayze "Robby" Keene is one of the main characters in the Netflix series Cobra Kai.

He is the son of karate sensei Johnny Lawrence and Shannon Keene. Initially a troublemaker that breaks the rules, Robby begins to change his ways after training with Daniel LaRusso. He becomes the first disciple of the new generation of Miyagi-Do Karate, and also becomes one of the best students.

Unfortunately, a fight with Miguel Diaz that results in Miguel suffering a spinal injury, lands Robby in Sylmar Juvenile Corrections Center. Following his release, Robby is left conflicted over where his alliances lay, leaving him susceptible to the smooth-talking John Kreese. Through Kreese, Robby is recruited into the new Cobra Kai Dojo.

Biography

Pre Cobra Kai

Robby was born to Johnny Lawrence and Shannon Keene on February 4, 2002. Johnny was not present when Robby was born. Robby was raised by Shannon for most of his childhood as Johnny repeatedly neglected him which eventually caused Robby to resent him. At some point Shannon began spending more time at bars and with men than with Robby, while Robby became a troublemaker and even a rebellious kid.

Cobra Kai

Season 1

Robby is Johnny's estranged son from a failed relationship with Shannon Keene. Johnny is absent for much of Robby's childhood which causes a strained relationship between the two. With his mother frequently behind bars and his father absent since his birth, Robby has no role models in his life. Robby falls in with drugs, stealing, and dropping out of school. After his father, who had a change of heart, hears about this, he comes to Robby's aid and tries to convince him that he loved him and wanted him to have a good life. Robby did not believe his father and refuses to go back to school.

But after discovering that Johnny has changed his ways and seemingly wants to start a closer relationship with him, Robby visits the Cobra Kai dojo to talk to his father, only to see him hugging his student Miguel Diaz. Convinced that Johnny likes his student more than his own son, Robby plots his revenge by getting a job at Daniel's car dealership. However, Robby thrives in the job and develops a friendship with Daniel. Throughout the second half of the first season, Daniel teaches Robby karate the same way Mr. Miyagi taught him, and in the process becomes the father figure and mentor that Robby never had and the two become very close. Robby also stops his bad behaviour and begins to change his ways, too.

But after discovering that Robby lied to Daniel about his relationship with his father Johnny Lawrence, Daniel bans him from his house and auto dealership. Robby enters the All Valley Karate Tournament alone and faces off against Hawk in the semi-finals. He loses the first point to Hawk, but wins the second point by using the lessons Daniel taught him. Hawk begins to taunt Robby and in response Robby mocks Hawk's Mohawk. Angered, Hawk kicks Robby while his back is turned and dislocates Robby's left shoulder, which results in Hawk's disqualification and Robby's advancement into the finals. At the urging of his wife, Amanda, Daniel forgives Robby and becomes his coach in the All-Valley Tournament. Miguel, who had hated Robby after a misunderstanding involving his girlfriend, viciously attacks Robby's injured shoulder. Robby puts up a tough fight and scores 2 points against Miguel despite his injury. While trying to help Miguel up, Miguel yanks Robby's arm and further injures his shoulder. With the next point deciding the winner, he ultimately loses to Miguel. Following the tournament Johnny apologizes to his son, and Robby replies, "It's okay, dad.", implying that he does still love his father despite their misunderstandings. Daniel is impressed that Robby maintained dignity, focus, and fair play during the match, as well as performing a two-legged kick that not even he was able to master. In the end, Daniel re-opens Miyagi-Do Karate and takes Robby in as his first student.

Season 2

Robby begins training with Daniel. While training with Daniel, Robby's arm heals and he is able to take off his cast. While shopping with Daniel they run into Johnny. When Daniel goes to pay Johnny tries to talk to him, but Robby is still mad at him and he tells Johnny he is having a hard time forgiving him. When Johnny accuses him of trying to torture him by training with Daniel whom he refers to as a prick, Robby defends Daniel and says he is a better man than he (Johnny) will ever be.

Sam soon joins the dojo and starts training with Robby. Robby's home-life isn't great as Shannon soon takes off with some guy, leaving Robby home alone with no food or electricity as bills go unpaid. When Robby mentions to Sam about his mom leaving and Sam tells Daniel, who has Robby come stay with him, Sam and Amanda.

Robby along with Sam and Daniel have trouble getting students to join the dojo at first mainly due to Cobra Kai out-promoting them. However, after sometime their luck changes when a bullied victim named Demetri requests to join and they gladly accept. At the mall Demetri is cornered by Hawk and other Cobra Kai members, but Robby and Sam come to his rescue and beat up the bullies. Robby's, Sam's, and Daniel's luck further improves when a handful of Cobra Kai students leave because of the vicious teachings and join Miyagi Do, though Robby and Sam are at first unhappy that the students joining are the ones that tried to beat up Demetri in the mall.

Robby and Sam develop feelings for each other. While Robby initially thinks it is a bad idea for them to date, the two soon realize thy cannot hold their feelings back and start dating. When someone knocks on Sam's door Robby opens it and sees Miguel. He asks him why he is here, and Miguel says he came to give back Miyagi's Medal of Honor which Hawk stole when he trashed the dojo earlier. Not wanting Sam to know Miguel gave it back because he does not want her to rekindle with him, Robby hides it in his pocket and later puts it outside so someone could find it which Demetri does the next day.

Eventually Robby and Sam agree to tell her parents about their relationships, but put that on hold when they see Shannon in the house. Shannon apologizes to Robby for leaving him, and tells him she is going to rehab so she can get better.

Robby and Sam go to Moon's house for a party the night before the first day of school. During the party Sam gets drunk, and unbeknownst to him Aisha tells Sam that Miguel returned the Medal of Honor and a drunken Sam and Miguel share a kiss. After the cops arrive, Robby tells Sam he will take her home but Sam tells him not to because she does not want her parents to see her drunk. He then takes her to Johnny's house and the two spend the night with him.

The following morning Robby tells Johnny that he will tell Daniel that it is his fault he and Sam did not come home, but after Daniel comes into Johnny's house he tells Robby he has lost his trust and forces Sam to leave. Johnny takes Robby to school which he appreciates. Before class he tells Sam that Miguel gave him the Medal of Honor. Sam, who already knew, asks why he did not tell her before, to which Robby replies he was scared their relationship would be put at risk if he did. They kiss and then go to class.

When Cobra Kai student Tory reveals that Sam and Miguel kissed at Moon's party, Robby has a shocked look on his face. Tory then attacks Sam, causing Robby to push Tory against a wall and try to stop the fight. However Miguel arrives and, unaware of Robby's true intention, tackles Robby which causes the two to fight and a huge brawl between the Cobra Kai and Miyagi Do students. Robby and Miguel have a long fight. At times Robby has the upper hand and at times Miguel has the upper hand. When Miguel tells Robby that Sam loves him more than Robby, an enraged Robby aggressively attacks Miguel and gains the upper-hand, but this is short-lived as Miguel recovers, and flips Robby over and traps him in an arm lock. Miguel decides to let him go after remembering Johnny's advice to show mercy and even apologizes to him. However, an enraged Robby attacks Miguel and kicks him off a railing, severely injuring him. Robby is shocked at what he just did. When Sam screams "Robby what did you do?", Robby runs off from the scene.

While at the hospital, Daniel expresses shock over what Robby did to Miguel. At the Cobra Kai dojo, Hawk angrily tells Johnny that his lesson to Miguel about showing mercy which Miguel followed by showing mercy to Robby, led to Robby severely injuring Miguel.

Season 3

Robby is on the run from the police and officially a fugitive, wanted for the part he played in kicking Miguel over a railing at West Valley High School. He has also been expelled from West Valley High. The police make urgent appeals to find the boy, and show a photo of Robby during a news segment that Johnny watches. He and Daniel decide to work together to find Robby, who has stolen a '93 van from the LaRusso Auto Group. Robby knew that the company wouldn't notice the van was missing as it is a trade-in and nothing flashy. He removes the GPS tracker from the van and ditches it far away from where he ultimately resides. He cuts his hair rather short and appears homeless, in an attempt to be unrecognizable by the police who are looking for him.

Robby visits his mother, Shannon, at her Rehab centre in Episode 2 and she gives him a sandwich to eat and comforts him and he cuts his hair even shorter. Daniel arrives and tries to reason with Robby, explaining that he spoke to a lawyer and his sentence will be much lighter if he turns himself in. Before Daniel can explain, the police arrive and Robby realizes that Daniel turned him in. He tries to run but is apprehended by the officers before he can flee. Daniel promises to visit everyday, but Robby coldly tells him not to bother as he is taken to a juvenile detention center. Robby's time in juvenile hall is rough, as he is targeted by a fellow detainee Shawn. He attempts to stay out of trouble by reading a book. He also refuses to speak with Daniel when he calls.

One day, while watching TV and eating lunch, Robby watches Sam on the news talk about Miguel and her attempts to raise money for his surgery. She mentions that she hopes that Robby did not mean to hurt Miguel. Shawn begins to mock Sam and Robby snaps at him to shut his mouth. Shawn then challenges him to a fight and attacks him, but Robby blocks his punches and kicks the two goons, but one of the goons rams into him and slams him on the table, and punches him in the ribs, while the other goon kicks him. Shawn grabs Robby and shoves him against a locker. Shawn then throws Robby on the ground and his goons and himself stomp on him. Robby is sent to the infirmary but when he returns, Shawn takes his pillow.

Johnny arranges to see Robby accompanied by reverend Bobby Brown, but is occupied with Miguel's surgery turnout and misses the meeting with Robby. Bobby tells Robby to give it more time but he leaves and tells Bobby that this was a waste of time. Robby then does community service in the hopes he will be released early. Johnny attempts to talk things through, and seems to be following through with his attempts for the first time. He oversteps later and grabs Robby's arm causing him to push his father away and spill the soup. When he returns to juvie, Shawn mocks Robby by saying he has no one and that both his dad and girl left him. He also vandalized Robby's bed.

In the days that follow his old resentments, heartbreak over his perceived betrayals at the hands of those he came to trust and the overall state of his life resurface. He is visited by John Kreese, who talks to him about Johnny and advises him to defend himself in prison. Robby initially tells Kreese to leave him alone, but is intrigued by the man and researches Kreese. He also checks his email and begins to respond to an email from Sam when Shawn unplugs the computer. He challenges Robby again but a security guard interrupts. The next day, Shawn makes a fake friendly gesture to Robby, but Robby, who has reached his limit with the abuse he's receiving in juvie and the mental games from Kreese, retaliates by striking Shawn first. They engage in an intense fight and Robby gains the advantage over Shawn rather quickly, though the fight spreads into the halls. Two guards pull the boys apart, and Robby smiles at Shawn while bloodied. After meeting with the warden, Shawn and Robby both admit to not "snitching", which leaves them with a mutual respect.

After being released from juvenile prison and assigned to probation, Johnny and Daniel attempt to reconnect with him, but Robby cuts ties with both of them because of them turning him to the police. He goes to the nearby Juvie office to fill out probation forms, when Tory comes from the office. Robby gets up and looks like he is about to attack Tory. Tory warns him not to and if he fights, he will go back to Juvie. He calms down and they exchange insults as Tory started the fight but Robby ended it. Tory tells Robby that she and Miguel broke up a few days ago. She warns him about Sam and attempts to explain that Sam will go to Miguel, but Robby defends Sam. He believes Sam is a good person but Tory isn't so sure. Before she leaves, she tells him to write check the "stable" box next to home life.

After leaving the office, Robby goes to see Sam at the Miyagi-Do Dojo and wants to rekindle their relationship. He walks in on Sam and Miguel training together and they are in a compromising position. This angers Robby who believes they are dating. He harshly insults Sam and accuses her of cheating with Miguel. He believes that her relationship with Miguel is why she stopped writing, and she counters that he stopped replying. He snaps back that it was hard to write back when he was "getting his face busted in" daily. She is surprised by this while Miguel tries to nicely explain that she had PTSD from the fight. Things escalate quickly between Miguel and Robby, and attempts to throw a punch at Miguel. Sam blocks Robby and pushes him away, telling him to stop. Thinking she has betrayed him for Miguel ever since Moon's party, Robby breaks up with Sam and tells her that Miguel and Sam deserve each other, admitting that their relationship was a mistake. Robby leaves in anger over the amount of betrayals and leaves Sam devastated about her break up with Robby. Later in the night, Robby realizes he doesn't have anywhere to go and ends up in the Cobra Kai Dojo.

He sleeps at the dojo and is taken under the wing of John Kreese, though Robby is reluctant to trust the man. Hawk nearly tries to attack him and still has a grudge at him for what he did to Miguel but Kreese says he is here to stay. He is noticed by Tory who invites him along to a mission with Kyler, Hawk, and some other Cobra Kai's. The groups breaks into the zoo to steal a cobra for Kreese, but are interrupted by a security guard. Thinking the mission failed, the group retreats but Robby appears with the snake. He befriends the Cobra Kai's, though Hawk's anger toward Robby remains. He begins training with the dojo and stays relatively focused on his karate training.

When Johnny arrives at Cobra Kai after the attack on the LaRusso family home, he sees Robby training with Kreese and is surprised by the alliance. Johnny and Kreese begin fighting as Johnny refuses to rejoin the dojo, with Kreese now wanting to kill Johnny. The fights is eventually stopped by Robby, who defends Kreese and attacks Johnny for being responsible for his suffering. Johnny instantly switches to the defense and refuses to fight his son, though Robby is intent on unleashing his pent up anger. He shouts that he is responsible for everything bad that's happened, and lunges. Johnny blocks Robby's attack and accidentally pushes him into the lockers. He hits his head and is unconscious, much to Johnny's dismay. Robby eventually regains consciousness, just as the fight between Johnny, Daniel, and Kreese is over. Robby stands next to Kreese much to the shock of Daniel, Johnny, Miguel, and Sam, who have all gathered outside the dojo. Robby coldly tells them to all leave, before retreating into the battered dojo with Kreese. He begins his training with Kreese to defend Cobra Kai in the tournament to determine which dojo will stay in the valley.

Cobra Kai: The Karate Kid Saga Continues

Robby appears in the video game Cobra Kai: The Karate Kid Saga Continues as a playable character in the Miyagi-Do side of the story & as a boss in the Cobra Kai side of the story.

Fighting Style

"I've got to admit, you're more of a natural than I was."
Daniel LaRusso to Robby Keene[src]


Under Daniel's training, Robby develops into a smart and well-rounded fighter. When he is able to maintain focus, his style revolves around a solid defense and counter-striking, which is evinced in the semifinals and finals of the All Valley Tournament. However, when his emotions get the better of him, he can become blindly aggressive. His techniques mix solid basics with the occasional high risk spinning or aerial move. According to Daniel, Robby is naturally talented and this seems justified as he is able to execute Mr. Miyagi's double-leg handstand kick after only hearing a description of it. Furthermore, despite an injured shoulder, he is able to put up a tough fight in his final match against Miguel.

In season 2 Robby improves his fighting style and skills with Daniel's training. By becoming a better and more skilled fighter he is able to fend off several Cobra Kai students and put up a fight against Miguel during a school brawl. However, his emotions still gets the better of him at times, resulting him fighting more aggressively and blindly, which is evidenced during the school brawl where he aggressively attacks Miguel when the latter say that Sam loves him over Robby, and after Miguel lets Robby go. However, the latter attack results in him kicking Miguel off the railing, severely injuring him and rendering him unconscious as a result.

Despite being a highly skilled fighter, he doesn't have it easy when fighting opponents who are just as strong and skilled as him. Sam is able to counter him while they practice during training, although they later appear to be evenly matched. After putting up a good fight against Miguel in the school brawl, the latter manages to eventually flip him and put his arm on lock. When Miguel lets go and apologizes however, Robby beats Miguel by attacking him, similar to how Miguel pulled Robby's shoulder when he tried to help him up at the tournament.

Despite his injured shoulder putting him at a disadvantage and causing him to lose to Miguel in the All Valley Tournament at the end of season 1, he came close to beating him, showing that Robby was the better and more skilled fighter. In season 2, despite beating Miguel by kicking him off the railing, he could only do so when Miguel, who had pinned him to the ground, showed mercy by letting him go, showing that Robby was the inferior and less skilled fighter at that time.

While in juvie in season 3, Robby still maintains his skills, which he is able to use to fight and eventually defeat his bully Shawn. Later on when he fights Johnny (much after he is released from juvie), he goes against what he learned at Miyagi Do by fighting with hate. However, the more skilled and experienced Johnny counters his strikes, before accidently pushing him into lockers. Robby however doesn't seem to have gained more skills in season 3.

Personality

"He's a good kid, he's just had a rough go of it."
Daniel LaRusso to Amanda LaRusso[src]

Initially Robby is shown to be a troublemaker that skips school, disrespects his father Johnny and hangs out with crooks and troublemakers Kev and Trey, watching adult videos on the computer. Robby is quite charming and clever as he cons a man into handing over computer and password.

He has a strained relationship with his father Johnny due to the latter neglecting him for much of his life. As a result of Johnny's neglect, Robby has grown to disrespect and resent him. However, after learning from his mother Shannon Keene that Johnny wanted Robby to come live with him and seemingly wants to start a closer relationship with him, Robby visits the Cobra Kai Dojo to talk to his father, only to see him hugging Miguel Diaz. Convinced that Johnny likes his student more than his own son, Robby plots his revenge by getting a job at Daniel LaRussos's (Johnny's biggest rival) car dealership. However, after Robby loses in the finals of the All Valley Karate Tournament, Johnny apologizes to him, which Robby accepts, implying he does care for Johnny somewhat.

Despite his strained relationship with Johnny, he loves and cares about his mother Shannon most likely because she raised him. However, he becomes upset when she prefers to be with men instead of spending time with him.

At first he joins Daniel's car dealership in order to get revenge on Johnny but when he thrives in his job he begins to enjoy his work, develop a friendship with Daniel, and even changes his ways. He soon begins learning karate from Daniel which he ends up enjoying. He forms a friendship with Daniel's daughter, Samantha LaRusso, later in the season, but when he shows up with her to a party her boyfriend Miguel thinking she is hooking up with Robby attacks him, thus starting their rivalry.

After scoring a point on Miguel at the All-Valley Tournament, Robby is merciful and tries to help Miguel up, but Miguel instead yanks Robby's injured shoulder. Despite losing to Miguel in the All-Valley Tournament, Daniel commends him for fighting with honor, which Robby appreciates.

"Before I met you guys, I was a different person."
―Robby Keene to Amanda LaRusso[src]


Thanks to Daniel's influence and positivity, Robby grows from being a punk to a kinder, altruistic individual.

Robby and Sam start training with Daniel. After his mom Shannon takes off with some guy, Robby stays at Daniel's house. Overtime both he and Sam develop feelings for each other. While Robby initially does not think it is a good idea for them to start dating, both he and Sam eventually realize they cannot hold back their feelings and start dating, though they don't tell Daniel and Amanda yet. When Demetri is attacked by Hawk and other Cobra Kai members, Robby and Sam come to his rescue, showing he will stand up for his friends.

Both he and Daniel have a good relationship. Robby defends Daniel when Johnny insults him. He even appreciates Daniel for allowing him to stay at his house. However, after Daniel finds out that Robby and Sam are at Johnny's house, he comes to Johnny's house, where he forces Sam to leave and tells Robby he has lost his trust, which makes Robby sad. Robby however still respects Daniel as he tells Johnny that Daniel was good to him, and they could learn something from each other.

Despite forgiving Johnny following the tournament he is still bitter, and at first he is happy that Miyagi-Do Karate will upset Johnny. When they first talk in the store Johnny calls Daniel a prick, but Robby defends Daniel and says he is a better man than he (Johnny) will ever be. However, after Sam gets drunk in party and tells Robby not to take her home because she does not want her parents to know she drank, he takes her to Johnny's house, showing that he still has some trust in Johnny. The next day Johnny drives Robby to school which he appreciates. Robby and Johnny seem to be on good terms.

While trying to save Sam from Tory and attempting to reason with the latter, Miguel ends up attacking him which leads to the school brawl. During the brawl Robby is pinned by Miguel, who then shows him mercy. However, an enraged Robby attacks Miguel and kicks him off a railing, resulting in the latter breaking his back. Now realizing what he has done, a horrified Robby runs away and attempts to hide from the repercussions. He is scared at the possibility of going to juvie, and guilt-ridden over what he did to Miguel. He reaches out to his rehabilitated mother, who in turn, contacts Daniel in the hopes he can help Robby. When Robby realizes that Daniel turned him into the police, Robby feels betrayed by the only positive male figure in his life. Even though this was ultimately to get him a shorter sentence, with Daniel repeatedly telling the cops to be gentle with Robby.

"I can't be My own worst enemy! BUT YOU CAN BE!"

During his time in juvie, he is harassed by his fellow inmate Shawn, but still chooses to follow the Miyagi-Do training that karate is about self-defense. He still tries to better himself by serving community service to shorten his sentence, but his anger at Johnny for choosing Miguel over him only escalates. His resentment at Daniel and Johnny continues even after his release from juvie, as he coldly tells Daniel and Johnny to leave him alone. After witnessing Miguel and Sam together, he ends his relationship with Sam, as he feels betrayed yet again. His lack of homelife stability and conflicting emotions leave him open to the poisonous ways of John Kreese, who shows Robby an outlet for his rage. He begins to corrupt Robby's thought process to the point where Robby joins Cobra Kai and fights his father in the defense of Kreese.

Relationships

Johnny Lawrence

Johnny is Robby's father, whom he had a strained relationship with for a long time. Throughout Robby's childhood, Johnny neglected him, which eventually caused Robby to dislike and resent him. In season 1, he disrespects Johnny and enjoys seeing him in pain. Even when Johnny gives him advise, he treats him poorly. While he expresses desire to make amends after learning from his mother Shannon that Johnny wanted to start a closer relationship with him, Robby visits the Cobra Kai dojo to talk to his father, but after seeing him hug Miguel, he goes back to disliking him, as he feels he loved his student more than him. However, he does accept Johnny's apology following his loss to Daniel in the All Valley tournament.

In season 2, they don't have as much interaction due to Robby staying with Daniel and his family. When they see each other at a store Robby tells him that him that he still has a hard time forgiving him, even though he forgave him at the tournament. However, after Sam gets drunk at a party, Robby brings Sam to Johnny's house. The following morning after Daniel takes Sam back and angrily tells Robby he has lost his trust, Johnny takes Robby to school, which Robby appreciates, leading them to reconcile.

In Season 3, Johnny arranges a visitation time with childhood friend Bobby to accompany him due to his probation but misses the date due to him being preoccupied with Miguel in the hospital. Bobby encourages him to give it time and Bobby offers to talk to Robby instead, but Robby leaves and resents his father even more. Johnny tries to see Robby at the Community center where the SJDC are doing CS and Johnny gets through to Keene. However, Johnny accidentally reminds him about putting Miguel Diaz in the hospital. He then apologizes, but Robby doesn't accept it and cut ties with Johnny. After Robby is released from juvie, his resentment towards Johnny and Daniel is still present, which upsets Johnny.

After later learning that Robby is now apart of Cobra Kai, he attacks Kreese, but is stopped by Robby who attacks him for ruining his life. Johnny tries to reason with Robby, but Robby refuses. When Robby attacks, Johnny counters his strikes, before accidently knocking him into lockers. Horrified at what he's done, Johnny apologizes and tries to get him up, but to no avail. Robby eventually wakes up and coldy tells Johnny Daniel, Miguel and Sam to get out, upsetting Johnny as a result.

Shannon Keene

Shannon is Robby's mother. Robby cares for her, most likely because she spent his childhood raising him, unlike Johnny. However, their relationship is a little strained in season 1 due to Shannon spending more time picking up guys than spending time with him, making him upset. Early in season 2, she leaves Robby and travels with a man to Mexico, which causes Robby to stay with the LaRusso family. When she returns later in the season however, she admits she shouldn't have left, says she is going to rehab, and encourages him to have a relationship with Johnny.

In Season 3, Robby sees his mother in rehab as she is the only person he could reach out to and not turn him to the Police and she has changed a lot. Robby opens up to her about what he done to Miguel Diaz at the brawl over 3 weeks ago and Robby feels like he should leave town and far away from everyone. However, Shannon is warming to him and gets him to eat a spinach tuna sandwich with a cup of water as she notices that he hasn't eaten properly due to being homeless and having such little money and eating little food while on the run for 2 weeks and a half which shows that Shannon cares about her son. Shannon witnesses her son is getting arrested making her shocked and upset, she accompanies him to cops car and says it's going to be okay in there and says goodbye to Robby. After Robby got released from juvie, she sends Daniel to collect him because she is rehab so she can't collect him and got evicted from their house. She asks Daniel to live with him, but Robby refuses due to he thinks Daniel betrayed him.

Daniel LaRusso

Daniel was Robby's friend and father figure. Robby beings working at Daniel's dealership halfway into season 1, in order to get revenge on his father Johnny for spending more time with Miguel then him. However, Robby thrives in his job and gets along with Daniel. After seeing Daniel practice karate, Robby gets interested, and Daniel starts training him. With Robby training with Daniel, he begins to bond him with him. However, after learning that he is Johnny's son, Robby is banned from Daniel's house and dealership. At the All Valley tournament however, Daniel roots for him, most likely because of his anger towards Johnny. After Robby is injured by Hawk in the semifinals, he forgives Robby, and becomes his coach for the finals. Despite Robby losing the finals to Miguel, Daniel is proud of him for fighting honorably. Robby then becomes Daniel's first student at Miyagi Do Karate.

Robby has more interactions with Daniel in season 2, because of Miyagi Do, and Robby coming to live at his house following Shannon taking off with some guy early in the season. The two continue to bond. However, when Daniel finds Robby and Sam at Johnny's house the morning after Sam got drunk in a party, an angry Daniel rebukes Robby and says he lost his trust. Daniel then leaves, making Robby upset. Robby however still respects Daniel, as he tells Johnny that staying with the LaRusso's was good for him, and he (Johnny) could learn some things from him.

In Season 3, their father-to-son surrogating figure becomes strained when Shannon calls Daniel to talk to Robby and Daniel tells Robby that he turned him to the Police to get a shorter sentence of a few weeks at Juvie. Robby thinks Daniel betrayed him and when Robby was being arrested roughly while attempting to run from an Officer, Daniel cares about Robby and shouts at the Police and tells him to be easy on the kid. After Robby is handcuffed and taken away, Robby orders Daniel to not visit him in Juvie as he thinks Daniel betrayed him. The next day after being questioned and placed in juvie, the officer calls him to a phone call and Daniel calls him from the dealership with Amanda by his side and tries to talk to Robby, but Robby hangs up on him which makes Daniel upset. When Robby is released from juvie, Daniel and Johnny tell him that he always has a home with either of them, but Robby tells Daniel and Johnny to leave him alone and walks away. After Daniel defeats Kreese at Cobra Kai, Robby coldly tells Daniel, Johnny, Miguel and Sam to leave.

Samantha LaRusso

Samantha is Robby's ex-girlfriend. They first meet each other at the LaRusso's house when Robby was waiting for his karate lesson with Daniel LaRusso, Robby quickly develops a crush on Sam but she's oblivious to this. Sam kindly greets him and tells him that Daniel will be ready in a second. After Robby finishes his lesson, they let him stay for dinner. Later in season 1, they meet again. Robby overhears that Amanda grounds Sam and will not let her go to Yasmine's party. This makes Robby feel bad for Sam, so he decides to fake a leg limping injury. So Amanda lets Sam drive Robby home and Sam has to come right back home when she drops him off. However Sam doesn't listen to her mother and decides to go to the party with Robby. Sam tells him her boyfriend is wondering where she is, this makes him disappointed of the fact that she has a boyfriend. When they arrive at the party, they're seen holding hands together.

In season 2, the LaRusso's let Robby move in with them due to Robby's poor living conditions at his flat due to unpaid bills and no food. This makes Robby and Samantha get attracted to each other. In early season 2, they officially become a couple. They also start training together. While their romance develops, they start going out on dates like, going together at an ice skating rink. Later at the ice skating rink, Tory pushes Sam and Sam pushes Tory back, Robby defended her and told the manager at the ice skating rink that, "it's not her fault. She start it!" This shows that Robby is very protcetive over Sam. Later in the season, Lucille almost catches Robby and Sam making out in front of the refrigerator. This means that they're deeply in love. In the second to last episode, Miyagi-Do goes to Moon's end of the summer party. Later on in the party, Tory challenges Sam to a drinking contest. Sam agrees as Robby Disagrees. Robby advises Sam to stop drinking but Sam doesn't listen as she is in a drunk state. After the party Sam is still very much drunk and dose not want her parents to see her in this state, Robby decides to take Sam to his father house, Johnny. When they both arrive at Johnny's house, Robby asks Johnny if him and Sam can stay the night. Johnny then agrees. The next morning Daniel angrily knocks on Johnny's door thinking that they stayed in his house tonight. Johnny admits that they did and tells Daniel to calm down but Daniel doesnt take this advise and kicks down the door looking for Sam. Johnny then attacks Daniel which causes them two to be in a small fight. Which is later stop by both Robby and Sam. While Daniel is still angry at them three, Robby defends Sam telling Daniel that it was his fault. They then later meet at the All-Valley High School. Robby then comes clean to Sam about the medal of honor. Sam (who was aware of this) accepts his apology and is not mad at him. After the first period, Robby hears that Tory is going to come after Sam, which she announced on the loud speaker. Couldn't help but seeing Sam getting attacked, Robby comes in and saves her from Tory. He pushes her against the locker and says to both of them, "we can figure it out." Despite learning the fact that she kissed Miguel, Robby is still loyal and protective of Sam. At the end of the school fight, Sam sees that Robby kicked Miguel off the school railing which makes Miguel unconscious. Sam asks Robby, "what did you do." Robby is horrified by his actions and runs away and goes on the run. When Sam is in the hospital with her parents, they are horrified of what Robby has done. Sam tells her that it's all her fault. This shows that she, still cares for Robby and Miguel.

When Robby was in juvie in season 3 and was watching the news on the TV, Samantha presented in it and when the media reporter reminds her that it was a Miyagi-Do Student (Robby) that kicked Miguel Diaz off the balcony. Sam responds and says that it was an accident in an attempt to defend Robby and knows that it was an accident. After eventually being released from juvie, he goes to see Sam to reconcile their relationship, but catches her with Miguel sparring together and accuses her of cheating with Diaz. Sam tells him that he never responded to her emails, but Robby tells her that he was getting abused in juvie everyday and that Sam didn't care, but Miguel stands up for her and tells him that it isn't her fault. Robby then attempts to punch Miguel to which Sam blocks his punches and pushes him away and orders him to stop and asks him to leave. Robby then breaks up with Sam and tells her that she and Miguel deserve each other and admits that their relationship was a mistake. Leading them to be on bad terms. After Kreese was defeated, Sam and Miguel shows up in outside the Cobra Kai dojo and Robby threatens them to get out.

Miguel Diaz

Despite the fact that they barely know one other, Miguel is Robby's main rival and enemy. They have disliked each other since they unknowingly saw each other respectively. They first met at Cobra Kai's party in season 1. Miguel sees Robby and Samantha holding hands when Sam couldn't go down the hill. This causes Miguel to get furious at both of them. Miguel asks Sam, "who's this guy?" Sam doesn't seem impressed on how Miguel is talking to Robby. She asks Miguel, "have you been drinking?" Miguel seemed to be not focused on her question. Robby then politely asks Miguel to calm down. Miguel doesn't seem to get the hint and pushes Robby to the ground, Miguel then tries to hit Robby back again, but it accidentally lands on Sam. The next scene they're shown together is in the All-Valley Tournament. They're both seen together on the stage on the final match between Miguel and Robby. Miguel illegally yanks Robby's already injured arm in a dispute of anger. This causes Robby to get further injured. Miguel then wins the fight.

The first time we see them in season two is when Miguel takes the stolen medal of honor from Hawk. He knocks on the LaRusso's door to see Robby. Robby doesn't seem to happy to see Miguel at the door, due to their history. All Miguel wants is to return the medal of honor. Miguel gently gives it to Robby, fearing that he might lose Sam over to him, Robby place is it at the back yard, that is later found by Demetri the following morning. They're next seen at an ice skating place, along with there girlfriends (Tory and Sam). Miguel greets them nicely. At the last episode in the school brawl, Miguel attacks Robby, believing that Robby is attacking Tory, while Robby was really trying to stop the two girls from fighting and wanted he, Miguel and the two girls to figure it out. Robby tells Miguel "you can't cheat your way out of this one" he is referring to the tournament, Miguel later headbutts him and teases Robby by saying he learned this from Johnny (his dad). While they're both upstairs and resuming there fight, Robby makes a kick and tells Miguel, "That's for taking advantage of Sam", referring to Miguel kissing Sam at Moon's Party last night. While Robby is going on a rant about protecting, his girlfriend, Sam, Miguel says to Robby, "she doesn't love you, she loves me." Robby is furious at this comment and gets the upper hand, but Miguel eventually pins him down. While Miguel is about to break his arm again, he remembers of Johnny telling him to sometimes show mercy. Miguel remembered this because he knew that Robby is Johnny's father and that Johnny would never forgive him if he broke Robby's arm. Miguel tells him that he's "sorry" (for kissing Sam). An reversal of last year's tournament, Robby doesn't take this and attacks Miguel. They both don't realise that their too close to the railing which is a result of Robby, accidentally kicking him off the second floor balcony and making Miguel to break his spine (paralysing him) and making him unconscious from the fall itself. Like most people Robby is horrified of what happened to Miguel and went on the run for 2 weeks.

In Season 3, the two rivals don't see each other until Episode 8 of Season 3 where he catches Miguel sparring with Sam in a compromising position. Robby accuses the two of them for cheating behind his back. Miguel defends am, causing Robby to angrily tell him to stay out of it, When Miguel refuses, Robby attempts to punch Miguel until Sam blocks his punches and pushes him away. This is when he tells Miguel and Sam that they deserve each other and admits their relationship was a mistake, and Keene ends things with Samantha. This also disturbingly show Robby doesn't feel remorse for putting Miguel in the hospital.

Eli Moskowitz "Hawk"

Hawk is Robby's second rival and enemy. They meet in the semifinals of the All Valley tournament in the season 1 finale. Hawk attempts to intimidate him before fight starts. After Robby mocks his mohawk and asks if he is going to fix his stupid haircut, an enraged Hawk kicks him when his back is turned, resulting in Robby's shoulder blade being dislocated and out of place, and Hawk being disqualified.

Similar to season 1, they have very little interaction in season 2. When Hawk and his Cobra Kai friends corner Demetri in the mall, Robby and Sam jump in and tell them leave. Then a fight breaks out between both groups. Robby has the upper-hand on and win in the end by knocking him unconscious. At the school brawl Hawk has an anger look towards Robby as he kicks Miguel (his closest friend) out of the railings, leading Miguel to being paralyzed.

In Season 3, Hawk is angry to learn that Robby is at Cobra Kai. Later, when Robby successfully steals a snake, which impresses several of the Cobra Kai's, Hawk has an envious look on his face. After Hawk gets defected from Cobra Kai, they becomes enemies once again.

John Kreese

John Kreese is Robby's new sensei, though to Kreese he is clearly a weapon and tool, not a student. when Kreese visits Robby in juvie during season 3, he ends up convincing Robby to act more aggressively, which he does against his bully Shawn. Preying on the already crestfallen and distraught Robby's anguish and confusion, Kreese poison's his mind to further turn him against Johnny and Daniel and to join Cobra Kai, which Robby does after being released from juvie later in the season. When Johnny is beating up Kreese, Robby defends him and attacks Johnny, only for Johnny to accidently knock him into lockers. Robby gets up and stands next to Kreese and tells Miguel, Sam, Daniel and Johnny to get out of here. He then walks back in the dojo with Kreese, as Robby lives in the dojo due to having no home and Shannon being in rehab still.

Demetri

Demetri is Robby's friend. They become friends when Demetri decides to join Miyagi Do in season 2. Dispite the fact they dont have much in common, Robby doesn't mind hanging out with him outside of Miyagi Do. When Demetri is cornered by Hawk and his Cobra Kai friends, Robby and Sam defend him, and defeat Hawk and the other Cobra Kai's. At Moon's party, after Demetri talks trash about Hawk. He steps in to defending Demetri.

In Season 3, they have no interaction at all due to Robby on the run, then going juvie for a few weeks, and ultimately aligning with Kreese and joining Cobra Kai's, which are facing off against Eagle/Miyagi Fang Do's. Robby however isn't one of the Cobra Kai's attacking the Miyagi Do's and Eagle Fangs at Sam's house, probably because he is on probation.

Trey and Cruz

Trey and Cruz were Robby's troublemaking friends during his troublemaking days in season 1. After they learn from Robby that he is working at Daniel's car dealership, they encourage him to give the security code of the dealership's garage so they can steal some car parts. Robby reluctantly agrees after being pressured and threatened by them. However, changes his mind and refuses to give them the passcode when the trio meets in front of the office, resulting in Cruz and Trey attacking Robby, who attempts to fight them with his new karate skills. Eventually they corner him, but quickly run away upon discovering that their activities have been recorded on a security camera when the two criminals nearly get the upper hand.

In season 2, Trey and Cruz, along with their new companion, are stealing from visitors at the Beach Country Club. Robby finds their stash of stolen wallets under a staircase, after which he confronts them, asking them to return the stolen items to their owners. When they refuse, Robby attempts to fight them, only to be knocked out by a new member of their gang, Derek with a paddle stick. However, Daniel LaRusso arrives and defeats them which saves Robby from nearly being knife attacked by Cruz.

In Season 3, Robby never crosses paths with the criminals because after when the criminals got beaten up by Daniel at the beach for attempting to knife Robby, Trey and Cruz were arrested and sent to prison for their crimes. Daniel knew about them being sent to prison and being arrested when he told Johnny and Shannon that he knew where they were which possibly indicated that Daniel knew that someone reported Cruz and Trey for the stolen stashes from the Beach Club.

Tory Nichols

Tory is Robby's current friend and former enemy.

In season 2, they didn't have that much interactions. They first meet at an ice skating rink when Robby went with Sam. Miguel introduces Tory to Robby and Sam, when Sam already met Tory. Robby is seen ice skating with Sam until Tory purposely trips Sam. Then, Sam retaliates and they're both kicked out by the manager. Robby stands up for Sam by telling the manager that Tory started it. Tory and Robby don't have any interaction after that. The last time we see them together in season 2 is when Tory threatens Sam to fight her in front of the whole school for her kiss with Miguel. Robby is seen running to save Sam and see what is happening. When he arrives at the scene, he is seen Tory attacking Sam and runs in to stop it by pushing Tory against the wall for her to cool down. Robby wanted to figure things out between the both of them but is then slammed on the floor by Miguel. This is the last time they interact in season 2.

The first time we see them interact, in season 3 is at a waiting room in a jail center. While Robby is about to be released, Tory comes through the door. Robby looks like he is about to attack Tory because he has no idea what she is doing here. Tory then tells him that it's okay and offered him to come train at the Cobra Kai dojo. This here shows that Tory is not angry at Robby anymore and that she forgives him. The next scene we see them together in is when all the students come to the Cobra Kai dojo. Hawk asks Kreese, "what is he doing here?" Tory then defends Robby and tells Hawk that it's okay and Robby is now one of us and smiles at Robby. We then see that Robby is about to leave Cobra Kai dojo because he feels like he doesn't belong here due to Hawk still angry about kicking Miguel of the railing in school, but Tory tells him to stay and that it will help him. Tory then later invites Robby to steal a snake from the zoo. When Robby arrives at the zoo and sees the rest of the Cobra Kai students, he is confronted by Hawk because he still hates Robby for what he did. When it looks like Hawk is about to attack Robby, Tory stops him. They then all go together into the zoo to steal the snake. When Robby steals the snake, Tory looks impressed and told Robby, "good job!" The last scene they're shown together in is when Kreese congratulates Robby on successfully stealing the snake. Tory looks at Robby with a smile and Robby smiles back.

Shawn

Shawn was Robby's bully in juvie in season 3. While in juvie, Robby is repeatedly bullied and harassed by Shawn and his goons. Robby is brutally beaten up by Shawn and his goons once. However, after being advised by Kreese to strike first, Robby aggressively attacks Shawn and his goons, and proceeds to beat all three of them, though Shawn puts up a tough fight. After winning the fight, Robby smiles victoriously, while Shawn glares at him. Interestingly, the two show respect for each other following the fight, as both tell each other they aren't snitches, and then Shawn gives him an approving nod. Shawn isn't seen again after the two seemingly make peace, and Robby is released from juvie shortly after

Trivia

  • Robby Keene is comparable to the following characters:
    • Daniel LaRusso - both gained their female friend (Ali Mills and Samantha LaRusso respectively) and have rivals who were ex-boyfriends to the female leads after their breakup (Johnny Lawrence and Miguel Diaz respectively). Both were constantly bullied by Cobra Kai. Both are attacked illegally/unethically in the semifinals and finals of the All Valley tournament. Both are being taught by their father-figured senseis (Miyagi and LaRusso) about the balanced way of Karate and the real life lessons (such as the "Wax on, wax off"). Both are hotheads who nearly kill someone at the end of their season/film: in Daniel's case it was in The Karate Kid II, by unintentionally causing John Kreese to nearly murder Johnny Lawrence after he lost to Daniel in the 1984 All Valley Tournament, and in Robby's case it was kicking Miguel Diaz when he showed mercy and causing him to fall down a balcony before critically injuring his spine on a handrail.
    • Johnny Lawrence - both are defeated in the finals of Under 18 All Valley Karate Tournament but they eventually accepted defeat by showing respect to their winning opponents. In the beginning, he was like his father, but after spending time with Daniel and seeing Miguel being corrupted by Cobra Kai, that is why he left and joined Miyagi-Do. In the end of the episode of No Mercy in season 2, Robby proved himself to be no better than Johnny was and kicked Miguel off the railing, causing Miguel to be critically injured. Both him and his father (in his younger years) joined Cobra Kai, but in their different reasons: Johnny formally joined Cobra Kai and later left, while Robby joins Cobra Kai through Kreese corrupting his mind after leaving Miyagi-Do.
  • Hawk attacking Robby after the completion of the point during the semifinals of the All Valley tournament mirrors Bobby Brown illegally kicking Daniel's leg in the semifinals of the All valley tournament in 1984.
  • Robby's arm being attacked and yanked by Miguel in the finals of the All Valley tournament is similar to Daniel's leg being injured by Johnny in the original movie.
    • The two experience a role reversal in season 2 when Miguel who gets the better of Robby shows mercy, only for Robby in turn to attack him and severely injure him.
  • While Robby wasn't important in the first half of season 1, the second half of season 1 and the entirety of season 2 sees him as one of the most important character as his story becomes one of the central plots of the series. In season 3, Robby later becomes the antagonist.
  • He reveals in Season 2 during his date with Samantha that his middle name is Swayze, named due to his mother's love of the late actor Patrick Swayze.
  • Robby and Miguel have fought each other twice, and both have won once through unethical tactics:
    • Miguel won by attacking Robby's injured shoulder, which includes him yanking it when the latter attempts to help up him by offering his hand.
    • Robby won by attacking Miguel and kicking him off the railing after the latter released Robby from a hold and apologized for their skirmish.
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