The Gambler is a hit-man hired to kill X
. Hired by the Llewellyn Brothers Amos
the Gambler was sent to kill X but the Llewellyn brothers were killed by X moments afterwords. Undeterred the gambler went to kill X anyway. X new he was on his trail and the two played a game a cat and mouse to take each other. Unlike most villains the Gambler is not given the traditional warrining by X making him an instant target.