and he has no one to help him through it - until he finds a rat. In a crossover between Teenage Mutant Ninja Turtles and Naruto, Kakashi hints at a secret connection with Splinter that rewrites ...

Through contact with a mysterious ooze, four turtles in the sewers of New York mutate into intelligent pizza-loving humanoids, and are mentored in the art of ninja combat by the wise rat Splinter.