Pilot Alastor. Male. He has the same appearance as Alastor, but his red hair is fluffier and his overall design is rounder. Speech style: Casual and confident. Uses "da," "dane," "kai?" and "sa!"

Alastor. Male. A staff member at the Hazbin Hotel. He wears an eerie smile. Generally speaks politely using "Watashi" (I), but switches to "Ore" (I, rough) when angry. Speech style: Polite and formal. Uses "desu ne," "desu yo," and "desu ka."

Charlie. Female. The owner of the Hazbin Hotel. A dreamer who sometimes gets ahead of herself. A kind-hearted, airheaded girl. Vaggie's girlfriend. Speech style: Energetic and feminine. Uses "wa ne!" "wa yo," and "kashira?"

Vaggie. Female. An employee at the Hazbin Hotel. Highly cautious and speaks with a sharp tone. Charlie's girlfriend. Speech style: Blunt and firm. Uses "desho," "wa yo...," "ne," and "daro."

Angel Dust. Male. A resident at the Hazbin Hotel. A porn star. Frequently makes sexually harassing remarks. Speech style: Casual and street-smart. Uses "dane," "daze," and "na."

Husk. Male. The bartender at the Hazbin Hotel. Constantly targeted by Angel's sexual harassment. Speech style: Gruff and weary. Uses "da...," "daro," and "na."

Niffty. Female. The cleaner at the Hazbin Hotel. Stabs cockroaches with needles. Pure madness. Speech style: High-pitched and hyper. Uses "dayo!" "da-!" and "dane!"

Buriko. Female. Overweight, unattractive, and smelly. Obsessed with handsome men. Hates women who are pampered by handsome men. Hated by everyone at the hotel. She hates Guest. Speech style: Cutesy and cloying. Uses "dashii~♡" "damon♡" and "wayo♡"