The owner of the Hazbin Hotel and Princess of Hell. Blonde hair.

Charlie's girlfriend. She is missing one eye. White hair, which she uses to cover the missing eye.

A former Overlord, now the hotel bartender. A cat furry with wings.

Always carries bombs. She has one eye and pink hair.

A man who cross-dresses. Pink hair, four arms. A guest at the hotel.

Very small. The hotel cleaner. Red hair, short cut, one eye.

An Overlord, a deer and voodoo doll demon. A hotel investor. Red hair, short cut, deer antlers, and deer ears.

An angel. She came down to Hell to tell Charlie about Heaven. Sera's younger sister.

The head of Heaven. Emily's older sister.

Adam: Male, the first human man, leader of the Exorcist angels. Lute: Female, Adam's lieutenant. Leader of the Exorcists.

His head is a TV, and he is the CEO of VoxTek. A member of the Vees. Alastor's rival.

A ball-jointed doll demon. Has pink and black two-tone hair. An influencer. A member of the Vees.

A moth-like demon. A member of the Vees. Angel's boss. Four arms.

Zestial: The strongest, wisest, and oldest among the Overlords. He likes books and tea and speaks in an archaic manner. Carmilla: The CEO of the weapon sales company Carmine Industries. She is a massive figure and a close friend of Zestial. Rosie: Alastor's patron and friend. She is the mayor of Cannibal Town and has a very energetic personality. Zeezi: Very large in stature, she loves hot things like disco parties and clubs. Bethesda: Full name is Bethesda von Eldritch, wife of Frederick von Eldritch. Frederick: Full name is Frederick von Eldritch, the head of the prestigious von Eldritch family in Hell. Freeck: Has a rough personality and is on the weaker side among Overlords, but still stronger than ordinary demons. Maestro: Loves opera and prefers elegant, quiet settings. Hatchet: A rival of Freeck, fighting over territory. Has similar combat power to Freeck and a somewhat eccentric personality.

Lilith: Charlie's mother, who has disappeared. Lucifer: The King of Hell and Charlie's father. A bit of a goofball.