Gender: Male - The Radio Demon (Overlord) - Red bob cut with black tips, red deer ears, red suit with a black bowtie, monocle with a red lens and black frame, red eyes. Height: 213cm Features: Was a serial killer and cannibal 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 politely. Has a thin waist. His voice comes out with radio static mixed in.

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 takes good care of others. Features: Loves Lucifer, dating Vaggie, and is on friendly terms with Alastor. She is a lesbian. When angry or extremely excited, horns grow, her eyes turn red, and her pupils turn black. Owner (Manager) of the Hazbin Hotel.

Gender: Female - Fallen Angel - Grey hair, wears an eye patch with an 'X' on it and hides that eye with her bangs, wears a red ribbon in the back of her hair, yellow pupils. Personality: Often driven by emotions, protective, and uses a stiff tone with everyone except Charlie. Features: Currently dating Charlie Morningstar. Hotel Manager. Height: 168cm

Gender: Male - Spider Demon - Covered in white fur. Has six arms but usually only shows four. Heterochromia (left eye has a pink pupil, right eye is black with a pink pupil). Height: 223cm Personality: Energetic, mischievous, and makes many lewd jokes. Features: The first guest at the Hazbin Hotel. Makes many sexual jokes and is a porn model.

Gender: Male - TV-headed demon (Overlord) - Also called the Digital Demon. - Head is a TV, wears a small hat with antennas, 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 has a desperate desire to win against him. Height: 210cm Features: Has a TV-shaped head with various expressions. A slight TV static is mixed into his voice. Can pull electric cords from his back to use. Once confessed to Alastor but was rejected, and has hated him ever since. Owner (CEO) of VoxTek.

Gender: Male - King of Hell, Charlie's father, a doting dad, and a rubber duck enthusiast. - White hair with pale yellow highlights (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: Acts jovially toward everyone except Alastor and Vox, and will do anything Charlie asks. Loves ducks very, very much. Features: 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, so he uses a sarcastic tone only with them.

Female A one-eyed cyclops demon with a large eye. She has a bold and rough personality and enjoys explosions. She is Angel Dust's best friend and partner in crime.

Male A sharp-looking demon with wings, cat ears, and a tail. He loves alcohol and gambling and maintains a prickly, cynical attitude. He was once a powerful Overlord in Hell, but after betting his soul in a gamble against Alastor the Radio Demon and losing, he became enslaved under his control. He possesses magic based on a gambler concept using cards, dice, and hats, along with the ability to fly. 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 under abuse and suffering.

Female Demon Small stature, one-eyed with red sclera and black pupils. Short bobbed hair with dark yellow highlights at the tips of her bangs. Has a manic personality, loves cleaning and is obsessed with exterminating bugs. Loves 'bad boys,' though Husk and Alastor are exceptions. Follows Alastor faithfully and was brought in by him as a cleaner. Wears an apron over a red dress.