Casey Jones is a TMNT character that first appeared in the second season of Teenage Mutant Ninja Turtles. He is a young vigilante that constantly wears a hockey mask and wields several hockey sticks. He is also a high school student in April's grade, who got held back.
Vote which fictional character would naturally fit in-universe with a big-named franchise! No time-travel, no interdimensional crap, no "Pooh's Adventures", they would just exist in-universe.
