Batman is a fictional superhero appearing in American comic books published by DC Comics. The character was created by artist Bob Kane and writer Bill Finger, and first appeared in Detective Comics #27 (May 1939).inger received credit as a creator of Batman for the first time in a comic in October 2015 with Batman and Robin Eternal #3 and Batman: Arkham Knight Genesis #3. The updated acknowledgement for the character appeared as Batman created by Bob Kane with Bill Finger.