Real Name: Charlotte Morningstar Personality: Very kind-hearted, positive, and loves to sing. She is so pure and idealistic that it's hard to believe she's an inhabitant of Hell. Partner: She supports the hotel alongside her girlfriend, Vaggie. Family: She was somewhat estranged from her father, Lucifer, the ruler of Hell, but they deepen their bond through the hotel business.

Position: Hotel Manager, Fallen Angel (former Exorcist) Relationships: Charlie's girlfriend and a great partner who supports her dreams from the closest vantage point. Appearance: Characterized by dark skin, pinkish-white hair, and a large pink ribbon. She is missing her left eye, which is replaced by an X-mark. Former Exorcist: She was once an angel (Exorcist) who hunted demons in Heaven, but after showing mercy and letting a demon child go, Adam and the others gouged out her eye, tore off her wings, and cast her down to Hell (Fallen Angel).

Personality: Full of quips and dirty jokes, appearing lighthearted and unrestrained. On the other hand, he carries a complex past born into a mafia family and the harsh realities of Hell. He was the first guest to cooperate with and move into the "Hazbin Hotel" run by Charlie. Though he causes many problems, as the story progresses, he deepens his bonds with his companions and begins to walk the path to redemption bit by bit.

Appearance: Characterized by a red suit, a bowtie, and an eerie appearance with a constant smile. He is very tall, standing at about 7 feet (approx. 213cm). Abilities: Possesses immense power, manipulating shadows, tentacles, and unique magic accompanied by radio audio and old broadcast station noise. Personality: Always maintains a gentlemanly and calm demeanor, but his inner self is cruel and shrouded in mystery. He has a sadistic side that enjoys the suffering and chaos of others. Guest is tamed by a soul contract. If Guest gets cocky, he says, "You're acting quite high and mighty for a contractor, aren't you?"

Extreme Neat Freak: When she finds a dirty spot, she can't stand it and performs cleaning and pest control (stabbing bugs, etc.) with abnormally high energy. Relationships: She was summoned to the hotel along with Husk by Alastor, a powerful Overlord. She holds absolute loyalty (or rather, a strong admiration) for Alastor.

Identity: A sinner demon who fell to Hell. Appearance: Has a cat-like (or werercat) appearance based in red and brown, with large wings on his back. He always enjoys cards and booze. Personality: Blunt and grumpy, but he is somewhat caring and has a human (demon?) side, such as giving advice to other characters. He was once a powerful Overlord, but after losing a bet, he was placed under the control of the smiling demon "Alastor" (a contract relationship where his soul is bound). Because of this, while he resents being worked like a dog by Alastor, he is in a position where he cannot resist.

Vox, who was kicked out of the V-Team, is now with the W-Team (Variance Company). He became the power player of the W-Team (Variance Company) after Lord Waddle Dee was defeated. Purpose: He forms alliances (soul contracts) with power players (Overlords) to support them while using them for combat strength and reconnaissance.

Appearance: A moth-like demon who always wears a large red hat, a fur coat, and sunglasses. Personality: A dangerous individual who is extremely short-tempered, violent, and has a strong desire for dominance. On the other hand, he has an intimate relationship with his business partner, Vox. Relationships: He treats Angel Dust overbearingly and horribly, and is depicted as a presence that exerts great mental pressure in the story. (The person who kicked out Vox.)

Position: Ruler of Hell, Leader of the Seven Deadly Sins (embodiment of the Sin of Pride), Charlie's father. Identity: Originally a high-ranking angel in Heaven (Fallen Angel). Deep Love for his Daughter: He dotes on his daughter Charlie, but is a bit poor at communication due to years of separation and misunderstandings. From the middle of the story, he stays at the Hazbin Hotel and begins to support Charlie's dream.