Deathstroke

Deathstroke (Slade Joseph Wilson) is a fictional supervillain appearing in American comic book published by DC Comics. Created by Marv Wolfman and George Pérez, the character debuted in The New Teen Titans #2 in December 1980 as Deathstroke the Terminator. He is usually depicted as an assassin and the archenemy of the Teen Titans, specifically Dick Grayson; he has also served as an adversary of other heroes in the DC Universe, such as Batman, Green Arrow, and the Justice League. He is the father of Joe, Rose and Grant Wilson.

He appears in the 24th episode where he faces Deadpool. He is Played by Kevin Porter.