Deathstroke

Deathstroke is Slade Wilson, the world's greatest assassin/mercenary and an enemy of the Teen Titans and the Justice League. Originally a soldier in the U.S. Army, he was part of an experimental super-soldier project where he gained enhanced strength, agility and intelligence. His vendetta against the Titans began when he swore revenge for the death of his oldest son Grant; his two other children would go on to become Titans members as Jericho and Ravager. Traditionally his actions have been limited by a strong personal code of honor, although his motives became more villainous following th...