Harvey Dent

Two-Face is a fictional character, a supervillain and enemy of Batman in the . Created by Bob Kane and Bill Finger, he first appeared in Detective Comics #66 (August 1942). Bob Kane was inspired by a movie poster advertising the Spencer Tracy film Dr. Jekyll and Mr. Hyde and conceived the idea of a villain with a dual personality. Two-Face was once Harvey Dent, District Attorney of Gotham City and close ally of Batman. After a criminal disfigured half of his face with acid, Dent became the insane crime boss Two-Face who would choose to do either good or evil depending upon the results of flipping a coin a device which was taken from the 1932 version of Scarface. Originally, he was one of many gimmick-focused comic book villains, plotting crimes based around the number two, such as robbing Gotham Second National Bank at 2:00 on February 2. In recent years, writers have portrayed his obsession with duality and fate and his criminal behavior as the result of multiple personality... full article at wikipedia