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).