Ever since their debut, the Teenage Mutant Ninja Turtles have been a staple of pop culture. Through several animated tv shows, to live action movies, the Teenage Mutant Ninja Turtles have had many different looks and redesigns. But how has each TMNT design influenced it's predecessors? How have the Teenage Mutant Ninja Turtles been able to evolve while also remaining our favorite heroes in a half shell?