John Constantine (//) is an antihero who appears in American comic books published by DC Comics. He is the lead character of the comic books Hellblazer (1988–2013), Constantine (2013–2015), Constantine: The Hellblazer (2015–2016), The Hellblazer (2016–2018), and John Constantine: Hellblazer (2020–2021).
Constantine's physical appearance was based on the musician Sting.
The Hellblazer series was the longest-running and most successful title of DC's Vertigo imprint. IGN ranked him number 29 in its Top 100 Comic Book Heroes. John Constantine made his first live appearance in the 2005 movie Constantine played by Keanu Reeves.
- Swamp Thing (vol. 2) No. 73--John corrects Chester Williams's "Constanteen" pronunciation; Hellblazer No. 34, letters column; Hellblazer No. 40, rhymed with "design" in a song.
- Irvine, Alex (2008). "John Constantine Hellblazer". In Dougall, Alastair (ed.). The Vertigo Encyclopedia. New York: Dorling Kindersley. pp. 102–111. ISBN 978-0-7566-4122-1. OCLC 213309015.
- "Hellblazers". Tabula-rasa.info.
- Riesman, Abraham (October 23, 2014). "The Secret History and Uncertain Future of Comics Character John Constantine". Vulture. Retrieved February 2, 2014.