TMNT: The Yautja of New York
His Clan Leader and almost everyone else had lost their minds to madness. Allying with the Kraang was one thing, but complete hybridization?
No, he couldn't stand it anymore.
He had to get to Earth, prepare them for war.
And luckily, there were already some warriors capable of defending the Earth.
Were they teenagers? Yes, but they were also mutant Ninjas.
And turtles, can't forget that.