Rahzar (2012 TV series)

Dogpound, or what he used to be called Chris Bradford, is a villain in the new Nickelodeon TMNT series. Before he was mutated, he used to be excellent at kung-fu, and on of Shreder's star pupils. He then tricked Micelangelo to lead him to the sewers. He was also an award winning martial artist. The only way he mutated was because of mutigen, a serum used to mutate things.