General Steven Rockwell Trevor is a fictional character appearing in American comic books published by DC Comics, commonly in association with the superhero Wonder Woman. The character was created by William Moulton Marston and first appeared in All Star Comics #8 (December 1941). Steve Trevor is a trusted friend, love interest, and partner who introduces Diana (Wonder Woman) to "Man's World", and has served as Wonder Woman's United Nations liaison. He is the first foreigner to have ever set foot on Themyscira and the first ambassador to open diplomatic relations with the Amazons.