Deathstroke

Deathstroke (real name Slade Joseph Wilson) is a fictional character who appears in comic books published by DC Comics. The character was created by Marv Wolfman and George Perez. He is a mercenary and assassin who first appeared in The New Teen Titans (vol. 1) #2 (1980). Wizard magazine rated him the 24th greatest villain of all time and the 32nd greatest comic book character of all time. Also, in 2009, Deathstroke was ranked as IGN's 32nd greatest comic book villain of all time.