John Constantine (), also known as Hellblazer, is an <!-- Do not add "fictional" as it is tautological; supervillains (and characters in general) are by definition implied to be fictionalized to some extent.-->antihero who appears in American comic books published by DC Comics. He was created by Alan Moore, Steve Bissette, and John Totleben, and first appeared in Swamp Thing #37 (June 1985). Initially a supporting character who played a pivotal role in the "American Gothic" Swamp Thing storyline, Constantine became popular with readers. As a result, he received his own comic in 1988 titled Hellblazer, which became the longest-running and most successful title of DC's Vertigo imprint. In the DC Universe, Constantine, the titular Hellblazer, is portrayed as a working-class warlock, occult detective, exorcist, and con man from Liverpool who is stationed in London. Known for his cynicism, deadpan wit, ruthless cunning, and constant chain smoking, he is also a passionate humanitarian with a deep desire to make a positive impact. Wikipedia
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