"Constantine" is a television series based on the DC Comics character John Constantine, created by Alan Moore, Steve Bissette, and Jamie Delano. The show follows John Constantine, a seasoned demon hunter and occult detective, as he battles supernatural threats and tries to redeem himself for past sins. With his wit, cunning, and extensive knowledge of the occult, Constantine navigates a dark and dangerous world filled with demons, angels, and other mystical beings. Set in a gritty urban landscape, the series explores themes of morality, redemption, and the struggle between good and evil. Despite its short run, "Constantine" gained a dedicated fanbase for its atmospheric storytelling, compelling characters, and Matt Ryan's portrayal of the titular character.