Mister Terrific Edi Gathegi addresses the differences between his Supermanand his X-Men roles. As a member of the DCU‘s Justice Gang and the only one of them who helps Superman and Lois Lane out of his own volition, Edi Gathegi’s Mister Terrific is one of the most important characters in James Gunn’s Superman. Mister Terrific’s brilliant intellect is key to Man of Steel’s victory over Lex Luthor.