Owen D. Stone is the actor who plays young Johnny Lawrence in Cobra Kai. He portrayed a young Johnny in the episodes Quiver and Mercy Part II.
In Season 4, he was replaced by Thomas Parobek for flashback sequences.
Biography[]
His most notable acting works are The War with Grandpa (2020), Cobra Kai (2018) and Ruby Days (2020).
Here is his IMDB link: https://www.imdb.com/name/nm9120210/