<P> He is voiced by Josh Peck . He is introduced in the episode "Mutagen Man Unleashed" as a hockey player who April tutors in school . </P> <P> He later becomes a vigilante who hunts criminals, mutants and anything that he thinks threatens "his" city in season two's episode "The Good, The Bad and Casey Jones" and becomes an ally to the turtles, specifically Raphael who becomes his best friend . He also has rivalry with Donatello . </P> <P> As the series progresses, his rivalry with Donatello is lessened, and he becomes closer to the whole team in general . In season three's "Casey Jones VS . The Underworld" Casey decides to start hunting crime on his own and eventually meets his new own archenemy, Hun, the new leader of the Purple Dragons . He is defeated, at first, but later defeats Hun and prolongs Shredder's plans . He is later one of only six inhabitants of Earth - the others being April and the Turtles - to be rescued before the planet is consumed by an artificial black hole . </P> <P> In the Season 4 finale, "Owari" Casey assists the Turtles in avenging the death of Splinter . When the Turtles gear up for a mission, Casey gets a new mask that bears a strong resemblance to his comic counterpart . </P>

Who played casey jones in the original tmnt movie