Dirk Savage

Dirk Savage was a man hired by A. J. Howard to capture mutants. He believed that all mutants were evil, including the Teenage Mutant Ninja Turtles. He eventually betrayed Howard after realizing his employer's true intentions and that most mutants were friendly after all. He appears in the 1987 animated series in the episode Dirk Savage: Mutant Hunter.

Trivia
Dirk Savage is an obvious parody of the Marvel Comics character Nick Fury.