|Real name||Tony Masters|
|First appearance||"Batman #5"|
Tony Masters is the world's third best assassin.
Tony Masters trained alongside Bruce Wayne for a while, but Tony went a separate way and studied murder and vengeance. His photographic memory allowed him to become better than any other hand to hand fighter.
Tony resurfaced years later as an assassin for hire. The Joker hired him to kill Batman and he copied his skills. He nearly won, but Batman was assisted by Robin and Nightwing.