Mitch is a minor antagonist in Cobra Kai (Season 2). He joins the Cobra Kai Dojo not too long after Cobra Kai's success at the All Valley Karate Tournament from the performances of Eli Moskowitz and Miguel Diaz.
He trains under Sensei Johnny Lawrence and the latters Sensei John Kreese. He gets exposed to Kreese's ruthless teachings. While Miyagi-Do Karate student Demetri is at the comic book store, Mitch along with other Cobra Kai students which includes Chris and Hawk surround him. Demetri tries to run away but Mitch along with the others surround him. However, Miyagi-Do students Robby Keene and Samantha LaRusso beat all of them up.
After Chris quits Cobra Kai along with some other students, Mitch becomes upset. Chris decision to quit results in their friendship coming to an end.
He fights Chris during the school brawl. He is eventually is able to kick Chris to the ground, but Chris then smacks him with a book, knocking him down as a result.
When Johnny goes back to Cobra Kai and sees Kreese teaching a handful of his students, Mitch is one of the students present, indicating that Mitch has turned against Johnny.
Shortly after joining Cobra Kai, Mitch gets corrupted by Kreese's teachings, which makes him vicious, aggressive and a bully. When his friend Chris quits Cobra Kai, their friendship ends. During the school brawl, Mitch has no problem attacking Chris. By the end of the season, Mitch along with several other students have turned against Johnny and become Kreese's students.
- Mitch may have been one of the Cobra Kai students that trashed the Miyagi-Do dojo.