Fan Casting Bishop's "clone". in Tales Of The Teenage Mutant Ninja Turtles

A clone of Bishop is revealed to be Baxter's real partner-in-crime the whole time, and the one who supplied him with all the mutagen that TCRI uses to mutate animals. However, the clone is actually a robotic suit for a hyper-intelligent alien commander named Krang, who Stockman agrees to help with finding a sunken superweapon belonging to him, the Technodrome.