Mephisto Pheles Friends

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

Hashino is a student of True Cross Academy. She and her friends likes Yukio.

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.

Nishiwaki is a student of True Cross Academy. She along with her friends really likes Yukio.

Oomoto is a student of True Cross Academy. She and her friends really likes Yukio.

The main Protagonist of the manga and anime Ao no Exorcist. The demonic son of Satan.

One of the students of True Cross Academy. He is in the same class as Rin Okumura.

Fujimoto was the guardian of both Rin and Yukio Okumura before he sacrificed himself in order to save Rin from Satan. He was also considered to be one of the most powerful Exorcist in the world.

Shura is an expert swordswoman and an apprentice of Fujimoto Shiro. She is an Upper First Class Exorcist and a mentor of Rin Okumura.

Ukobach is the cook in the True Cross Academy. He usually prepare foods for Rin and Yukio and is a familiar belonging to Mephisto.