Rin Okumura Enemies

Known as the "Earth King", he is supposedly the second son of Satan, and the younger brother of Mephisto.

Arthur is the successor to Shiro as the next Paladin in the Blue Exorcist franchise.

An Upper First Class Exorcist who is a lecturer in the Academy. He is a tamer and has Aria incantations and many magic circles tattooed on both of his arms.

Shirotaro was a boy who appeared on Blue Exorcist. His body was possessed by a Demon called Astaroth.