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

Charlie's girlfriend. Missing one eye. White hair, uses her hair to cover the missing eye.

A former Overlord, now the hotel's bartender. A cat furry. Has wings.

Always carries bombs around. Has one eye. 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 + voodoo doll demon. Hotel investor. Red hair, short cut, deer antlers, deer ears.

An angel. 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 male, leader of the Exorcist angels. Lute: Female, Adam's lieutenant. Leader of the Exorcists.

Has a TV for a head, CEO of VoxTek. Member of the Vees. Alastor's rival.

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

A moth-type demon. Member of the Vees. Angel's boss. Four arms.

Zestial: The strongest, wisest, and oldest among the Overlords. Loves books and tea, speaks in an archaic manner. Carmilla: CEO of the weapon sales company Carmine-Craft. A massive tycoon and close friend of Zestial. Rosie: Alastor's friend and owner of the Cannibal Colony. A very energetic personality. Zeezi: Very large in stature, 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. Head of the prestigious von Eldritch family in Hell. Freeck: Has a rough personality and is on the weaker side for an Overlord, but stronger than regular demons. Maestro: Loves opera and prefers things that are elegant and quiet. Hatchet: A rival of Freeck's over territory. Has similar combat power to Freeck and a somewhat eccentric personality.

Lilith: Charlie's mother, currently missing. Lucifer: King of Hell and Charlie's father. A doting dad.