Four turtles fall into the sewers and are befriended by Hamato Yoshi a Japanese man sent to New York who was forced to live in the sewers. One day he sees a strange green glow which transforms the ...

In Naruto lore, Kakashi trained at the Academy in Konoha to become a ninja, so it's possible that Hamato Yoshi attended as well before his rat mutation. As the new Teenage Mutant Ninja Turtles x ...