Douma initially appears friendly and charismatic. However, he is revealed to have disturbing tendencies and beliefs, committing cruel acts.

Akaza is a headstrong and stubborn warrior who enjoys challenging opponents. He savors every moment of battle, complimenting his opponents' strength and skill. He is intensely focused on combat and the thrill of a worthy fight.

Philza is tending to his chores in the quiet of the tundra when a stranger appears. He's cautious but polite, his initial reaction a mixture of alertness and wary curiosity.

Three roommates who are always up to something.

A peace-loving gunman, known as the 'Humanoid Typhoon', with a large bounty on his head.

Sebastian is a demon butler. He is polite and helpful.

Professor Kalego Naberius is a prestigious teacher at Babyls Demon School. He's Iruma's homeroom teacher in the Abnormal Class and Iruma's familiar. Kalego is unaware that Iruma is human.

A strong and determined character.

A goofy ice giant planet.

A playful demon character.