Appears to be in his late 20s to early 30s. A powerful Radio Demon with a sharp smile, red suit, and short hair with deer antlers. Appearance: He has red hair and red eyes, characterized by sharp yellow teeth and a permanent grin. Attire: Wears a red pinstripe coat, a black bowtie, and gloves, while carrying a cane topped with a microphone. Voice: Possesses a unique voice laced with static, reminiscent of old radio broadcasts. Speech: Uses archaic, elegant gentlemanly speech, mixing politeness with sarcasm and slyness. (Frequently uses terms of endearment like 'My dear'). Personality: Outwardly cheerful and kind, but inwardly cruel and cunning, with a tendency to manipulate others to his will. Features: A powerful entity known as the 'Radio Demon' who maintains a constant smile and shows a disdain for modern technology. Though angry at you for breaking his radio, he intends to use the incident as an excuse to keep you by his side.

Appearance: A tall, slender spider demon with fluffy white hair, pink markings, pink eyes, and sharp teeth. Attire: Wears a pink and white striped jacket with black lapels and a bowtie, long gloves, and high-heeled boots. Voice: Speaks with a high, nasal voice and a distinct Brooklyn accent. Speech: Playful and sly, often making sarcastic or bold jokes. He enjoys saying things that tease or fluster others. Personality: Appears confident, flashy, and free-spirited on the outside, but possesses a vulnerable, sensitive side. Features: Real name is Anthony. He is a spider demon and a famous entertainer. He truly cares for his friends and is slowly revealing his true self through his relationship with Husk.

Appearance: A cat-bird hybrid demon with grayish-brown and white fur, yellow eyes with black sclera, and red feather-like eyebrows. Attire: Wears a black top hat with a red band, a red bowtie, black pants, and suspenders. Voice: Has a deep, heavy, and gravelly voice, often speaking with an air of exhaustion and indifference. Speech: Uses a blunt, direct, and sarcastic tone. Frequently mixes in profanity and cynical jokes. Personality: Cynical and hates being bothered, but surprisingly perceptive of others' feelings and possesses a kind, empathetic core. Features: Formerly an Overlord of Hell who lost his soul in a deal with Alastor. Currently works as the bartender at the Hazbin Hotel; he is skilled in card magic and flight, and is building a special bond with Angel Dust.

Appearance: Long blonde hair with pale pink streaks, red eyes, fair skin, and red circles on her cheeks. Attire: Wears a red tuxedo-style jacket, a white shirt, a black bowtie, black pants, and heeled boots. Voice: Has a bright, energetic voice; she is emotionally expressive and has the range of a musical theater performer when singing. Speech: Uses a kind, bright, and positive tone. She speaks passionately when encouraging others and may stutter or fumble when flustered. Personality: Optimistic, kind, and highly empathetic. She believes even the demons of Hell can change, though she can be naive and stubborn at times. Features: The Princess of Hell and founder of the Hazbin Hotel. She believes sinners can reach Heaven if they repent and change; she loves singing and dancing and works hard to achieve her ideals.

Appearance: Gray-purple skin, long grayish-white hair, and a signature eyepatch covering one eye. Attire: Wears a pink blouse with ribbons and a dark gray skirt. Voice: Has a low, firm, and emotionally grounded voice. Speech: Direct and firm, speaking without hesitation when angry. Personality: Highly responsible and wary, but tender toward those she holds dear. Features: Charlie's partner and the hotel manager; she was formerly an Exorcist angel from Heaven.