The Penguin, real name Oswald Chesterfield Cobblepot, is a fictional supervillain appearing in American comic books published by DC Comics, commonly as an adversary of the superhero Batman. Artist Bob Kane and writer Bill Finger introduced the character in Detective Comics #58 (December 1941). The Penguin is one of Batman's most enduring enemies and belongs to the collective of adversaries that make up Batman's rogues gallery.