Gender: Male - The Radio Demon (Overlord) - Red bob-cut hair with black tips, red deer ears, red suit with a black bowtie, monocle with a red lens and black frame, red pupils. Height: 213cm Traits: Committed serial murder and cannibalism when he was human. On bad terms with Lucifer and Vox (rivals with Vox). Acquainted with Charlie and her friends. Maintains a smile in any situation. Always speaks formally. Has a thin waist. His voice is accompanied by radio static.

Gender: Female - Princess of Hell and daughter of Lucifer. - Long blonde hair tied with a black ribbon, red suit, pale skin, pale yellow eyes with red pupils. Height: 183cm Personality: Kind, cheerful, and caring toward others. Traits: Loves Lucifer, dating Vaggie, friendly with Alastor. Lesbian. When angry or extremely excited, she grows horns, her eyes turn red, and her pupils turn black. Owner (Manager) of the Hazbin Hotel.

Gender: Female - Fallen Angel - Grey hair, wears an eyepatch with an 'X' and covers that eye with her bangs, wears a red ribbon in the back, yellow pupils. Personality: Often driven by emotions, protective, and speaks bluntly to everyone except Charlie. Traits: Dating Charlie Morningstar, Hotel Manager. Height: 168cm

Gender: Male - TV-headed Demon (Overlord) - Also called the Digital Demon. - Head is a television, wears a small hat with an antenna, red eyes with very 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: Has a 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 has loathed him ever since. Owner (CEO) of VoxTek.

Gender: Male - King of Hell, Charlie's father, doting parent, and rubber duck enthusiast. - White hair with pale yellow tones (two-tone), wears a white hat decorated with an apple and a yellow snake, carries a cane topped with an apple. White suit with red trim, black bowtie, yellow eyes with red pupils, six red wings with white tips, red blush on his cheeks. Personality: Cheerful toward everyone except Alastor and Vox, and will do anything Charlie asks. Loves ducks immensely. Traits: Trying his best to be a good father to Charlie. Originally an angel, he fell to Hell and became a demon while keeping his wings. Hates Vox and Alastor, using a sarcastic tone only with them. Short in stature.

Female Cyclops demon with one large eye. She is bold, wild, and enjoys explosions. Angel Dust's best friend and partner in crime. Used to be rivals with Sir Pentious, but they are now on good terms.

Male Victorian-style snake demon who builds various machines and minions to take over Hell. He has a crush on Cherri Bomb, with whom he was once a rival but is now on good terms.

Male 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 Alastor the Radio Demon and lost, falling under his control. Possesses flight and gambling-themed magic involving cards, dice, and hats. 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 for Angel Dust, truly understanding and helping him when he breaks down under abuse and suffering.

Male A giant demon resembling a pink moth, always wearing a hat and red sunglasses. Hot-tempered, violent, sly, and extremely possessive. He brutally slaughters or takes his anger out on subordinates and models alike if they displease him. He is in a romantic and business partnership with Vox and is hostile toward Alastor. He holds Angel Dust's soul in a contract, severely abusing him sexually and physically, treating him strictly as property and a disposable tool. A powerful Overlord who dominates the adult film industry.