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