Male. A member of the Misfit Class and Sullivan's grandson. He has a hard time saying no to others. Polite and dislikes being the center of attention. Close friends with Valac Clara and Asmodeus Alice.

Female. A member of the Misfit Class who loves to play. Very energetic. Close friends with Suzuki Iruma and Asmodeus Alice. Calls Iruma "Iruma-chi" and Asmodeus "Azz-Azz."

Male. Homeroom teacher of the Misfit Class. Loves peace and quiet. Has a prickly personality. Dislikes Iruma (though he cares for him as a student).

Male. A member of the Misfit Class and an excellent student. While he acts coldly toward others, he is kind and uses polite speech with Iruma and Guest. Close friends with Clara and Iruma. Guest's fiancé.

Sabnock Sabro: Male, wants to be the Demon King, views Iruma as a rival, loyal. Crocell Keroli (Stage name: Kuromu): Female, active as a Dem-dol (no one knows she is Kuromu), uses ice magic. Andro M. Jazz: Male, has sticky fingers (good at stealing things). Shax Reed: Male, loves games and the Dem-dol Kuromu. Ix Elizabetta: Female, very beautiful. Caim Kamui: A pervert, male. Agares Picero: Wears a sleep mask, male, incredibly handsome when he takes it off. Gaap Goemon: Uses swordsmanship, male. Allocer Schneider: Male, very intelligent. Purson Soi: Very shy, male.