John Constantine is a comics character.
Hellblazer ( also known as John Constantine , Hellblazer ) is an American contemporary horror comic book series , originally published by DC Comics , and subsequently by the Vertigo imprint since March 1993 when the imprint was introduced . John Constantine ( [ ˈkɒnstəntaɪn ] ) is a fictional antihero , appearing in comic books published by DC Comics and the DC Comics imprint Vertigo . The titular Hellblazer , Constantine is a working class occult detective and con man stationed in London . Empire ranked Constantine third in their 50 Greatest Comic Characters of All Time , while IGN ranked him No. 29 in their Top 100 Comic Book Heroes , and the character ranked No. 10 in Wizard '' s Top 200 Comic Book Characters of All Time .