Professor Hugo Strange is a supervillain appearing in comic books published by DC Comics, commonly as an adversary of the superhero Batman. The character is one of Batman's first recurring villains and is also one of the first Batman villains to discover the hero's secret identity.[2] The character first appeared in Detective Comics #36 (February 1940).[3] A notorious enemy of Batman, the character has appeared in various forms of non-comics media, including animation, video games, and the live-action television series Gotham, where he is portrayed by BD Wong.