Jason Blood may seem to be a modern-day man with an unusual interest in demonology and the occult. But the truth is that Jason is in fact centuries old, and during the fall of Camelot, the wizard Merlin bound a powerful demon to Jason's soul. Now, whenever evil steps forth from the shadows, he need only say: “Gone! Gone! The form of man! Rise the demon, Etrigan!”
After Jack "King" Kirby launched the successful Fourth World series of sci-fi titles, he shifted focus to a horror series with a twist, where the monster would be the hero. Although Jason sometimes struggled to contain Etrigan's more violent impulses, the Demon often ended up being a force for good against foes such as Klarion the Witchboy and the sorceress Morgan le Fey.
DC Finest: The Demon: Birth of the Demon collects stories published between 1972 and 1981 and includes The Demon #1-16, written and drawn by Jack “King” Kirby, plus The Batman Family #17, The Brave and the Bold #109 and #137, Detective Comics #482-485, and Wonder Woman #280-282.