The Duke of Deception is a fictional character appearing in DC Comics publications and related media. A major adversary of Wonder Woman, the Duke is a demigod of deceit, originally presented as an operative of Wonder Woman's nemesis Mars/Ares. He first appeared in the summer of 1942 in Wonder Woman #1, volume 1, written by Wonder Woman creator William Moulton Marston, and went on to become one of Wonder Woman's principal Golden Age foes.