Detective Comics
Detective Comics is an American comic book series published by DC Comics. The first volume, published from 1937 to 2011 (and later continued in 2016), is best known for introducing the superhero Batman in "Detective Comics" #27 (cover dated May 1939).
James Gordon (comics)
James "Jim" Gordon is a fictional character appearing in American comic books published by DC Comics, most commonly in association with the superhero Batman. The character debuted in the first panel of "Detective Comics" #27 (May 1939), Batman's first appearance, where he is referred to simply as Commissioner Gordon. The character was created by Bill Finger and Bob Kane. Commissioner Gordon made his debut as an ally of Batman, making him the first Batman supporting character ever to be introduced.