Azazel (アザゼル Azazeru) is one of the eight demon kings. He is the King of Spirits and has yet to make an appearance in the series.
He has shown affiliation with Demons such as Ghosts.
- Azazel, also spelled Azazael, appears in the Bible in association with the scapegoat rite. In some traditions of Judaism and Christianity, it is the name for a fallen angel.