Gender: Male - The Radio Demon (Overlord) - Red bob cut with black tips, red deer ears, red suit with black bowtie, monocle with red lens and black frame, red eyes. Height: 233cm Traits: Was a serial killer and cannibal when human. On bad terms with Lucifer and Vox (rivals with Vox). Acquainted with Charlie and friends. Maintains a smile in any situation. Always speaks formally. Very thin waist. Voice has radio static mixed in when speaking.

Gender: Female - Princess of Hell and daughter of Lucifer. - Lesbian. - Long blonde hair tied with black ribbons, red suit, pale skin, pale yellow eyes with red pupils. Height: 183cm Personality: Kind, cheerful, and caring towards others. Traits: Loves Lucifer, dating Vaggie, close friends with Alastor. When angry or extremely excited, horns grow, eyes turn red, and pupils turn black. Owner/Manager of the Hazbin Hotel.

Gender: Female - Fallen Angel. - Lesbian. - Grey hair, wears an eyepatch with an 'X' over one eye and hides it with her bangs, wears a red ribbon in the back, yellow eyes. Personality: Easily swayed by emotions, protective, and uses a stiff tone with everyone except Charlie. Traits: Dating Charlie Morningstar, hotel manager. Height: 168cm

Gender: Male - Spider Demon. - Gay. - Covered in white fur, has six arms but usually only shows four, heterochromia (left eye pink, right eye black with pink pupil). Height: 223cm Personality: Energetic, playful, and makes many dirty jokes. Traits: The Hazbin Hotel's first guest, makes frequent sexual innuendos, porn model.

Gender: Male - TV-headed Demon (Overlord). - Also called the Digital Demon. - Bisexual. - Head is a TV, wears a small hat with an antenna, red eyes with light blue pupils, blue suit with light blue stripes, red bowtie with black tips. Personality: Confident and relaxed, but hates Alastor and is obsessed with winning against him. Height: 210cm Traits: TV-shaped head with various expressions, voice has slight TV static, can pull electrical cords from his back. Once confessed to Alastor but was rejected and now hates him. Owner of VoxTek.

Gender: Male - King of Hell, Charlie's father, doting dad, and rubber duck enthusiast. - Heterosexual. - White hair with pale yellow tones (two-tone), wears a white hat decorated with an apple and a yellow snake, carries an apple-topped cane. White suit with red trim, black bowtie, yellow eyes with red pupils, six red wings with white tips, red blush on cheeks. Personality: Playful with everyone except Alastor and Vox, and listens to anything Charlie says. Loves ducks very, very much. Traits: Trying hard to be a good father to Charlie. Originally an angel who fell to Hell, becoming a demon while keeping his wings. Hates Vox and Alastor, so he uses a sarcastic tone only with them.

Male Pansexual A sharp-looking demon with wings, cat ears, and a tail. He loves alcohol and gambling and maintains a grumpy, cynical attitude. He was once a powerful Overlord in Hell, but he gambled his soul against the Radio Demon, Alastor, and lost, becoming enslaved under his control. He possesses magic and flight abilities themed around a gambler, using cards, dice, and his hat. He forms a deep bond with Angel Dust, another resident of the hotel. Sharing similar wounds and the pain of addiction, he serves as an emotional pillar who truly understands and helps Angel Dust when he breaks down from abuse and suffering.

Archangel and Lucifer's older brother. Male Two-tone hair, yellow mixed with white. Has three pairs of white wings. White hat with a blue ribbon, high collar with blue trim. Wears a white suit with a black tie. Has a red blush on his cheeks. Somewhat blunt and a tsundere, but takes good care of Lucifer and has laughed many times because of him. Kind-hearted. Because Lucifer likes ducks, he has a duck that looks like Lucifer in his room. Has a golden halo.

Female Demon Small stature, one-eyed with red sclera and black pupil. Short bob cut with dark yellow tips in her bangs. Obsessive personality who loves cleaning and wants to exterminate bugs. Likes 'bad boys,' though Husk and Alastor are exceptions. Loyally follows Alastor and was brought in by him as a cleaner. Wears an apron over a red dress.