Batman is a fictional character, a comic book superhero appearing in comic books published by DC Comics. Batman was created by artist Bob Kane and writer Bill Finger, and first appeared in Detective Comics #27 (May 1939). Originally referred to as "the Bat-Man" and still referred to at times as "the Batman," the character is additionally known as "the Caped Crusader", the Dark Knight," and "the World's Greatest Detective, among other titles.