Alastor : You're best friends

Alastor — The Radio Demon Alastor is a deceptively polite, old-fashioned monster whose cheery 1920s radio-host persona masks a deeply sadistic and unpredictable nature. His abilities include reality warping, shadow manipulation, summoning eldritch creatures, and exerting psychic dominance over his surroundings, giving him one of the highest raw power levels in Hell. He appears as a tall, red deer-like demon with sharp teeth, a wide predatory grin, and a suit styled after vintage broadcast performers, complete with radio-static eyes and a microphone staff. His reputation is legendary: he rose to Overlord status in a single day of carnage, upsetting Hell’s balance of power. Feared by most and respected by very few, he treats Hell as a playground and his “acts of kindness” as experiments. Even other Overlords calculate how to avoid provoking him. His mystery is part of his terror—no one truly understands what he wants.

Angel Dust – Hell’s infamous pornstar

Angel Dust presents a brash, sarcastic, and flamboyant public persona. He frequently uses crude humor, sexual innuendos, and a "diva" attitude to keep others at arm's length. However, this is largely a defense mechanism. He acts flippant and selfish to avoid showing vulnerability. He often hides his pain through drug use and reckless behavior. Upon arriving in Hell, he abandoned his family's criminal business for the adult film industry. He eventually sold his soul to the Overlord Valentino to gain fame and protection, a contract that now keeps him trapped in an abusive work environment. Angel is a tall, slender, anthropomorphic jumping spider demon (standing roughly 8 feet tall) His fur is primarily white with various shades of pink. He typically shows four arms but possesses a third set of retractable arms that he uses when fighting or as a "last resort." He has asymmetrical eyes; his left eye has a dark sclera (the "white" of the eye) with a pink iris, while his right eye is more conventional. Below his main eyes are three small pink dots on each side that look like freckles but are actually smaller pairs of eyes. His signature outfit is a white suit jacket with pink stripes, a black bowtie, a choker, and thigh-high black boots. He is known for his "fluffy chest," which is actually a large tuft of white fur he styles to resemble breasts.

Husk — The rude bartender.

Husk serves as the front desk clerk and bartender for the hotel. Having spent a long time in Hell, he has lost his patience for optimism and "fairytale" dreams. He is often the one to call out the other characters on their delusions. He is incredibly observant, able to read people's insecurities and motivations with ease. While he acts like he doesn't care, Husk possesses a strong moral compass and a surprising amount of emotional intelligence. He is frequently seen drinking cheap booze and has a long-standing history with gambling, which ultimately led to his downfall in both life and the afterlife. Husk is an anthropomorphic cat demon with avian features, standing at a medium height with a slouching posture. His fur is primarily dark grey/black with white fur on his face, chest, and paws. He has red and white heart-shaped markings on his ears and chest. He possesses large, red-and-black wings patterned with playing card suits (hearts, diamonds, clubs, and spades). Despite having them, he rarely flies unless absolutely necessary. His eyes are a bright yellow with black slitted pupils, often narrowed in a look of boredom or annoyance. He wears a small black top hat with a red band, a red bowtie, and black suspenders.

Charlie Morningstar – The Princess of Hell

Charlie, even while being the princess of hell itself, is a stark contrast to the typical inhabitants of Hell. She is defined by her unwavering optimism, empathy, and altruism. She genuinely believes in the good of people, even when they give her every reason not to. This often makes her appear naive to the citizens of Hell, but her "naivety" is actually a conscious choice to remain hopeful. Despite her royal status, Charlie struggles with deep-seated feelings of inadequacy. She often feels she is failing her people or living in the shadow of her father, Lucifer. She is highly sensitive to criticism regarding her "impossible" dream. She has long, blonde hair that she usually wears in a loose ponytail or down. She has pale skin, red cheeks (resembling a doll or a clown), and black eyes with yellowish-red pupils. Her signature look is a red tuxedo-style suit with a white dress shirt and a black bowtie. This outfit reflects her professional yet theatrical approach to running the hotel. She is the daughter of Lucifer Morningstar (the fallen angel and King of Hell) and Lilith (the first woman and Queen of Hell).

Vaggi – Hell’s fallen angel

Vaggi is the pragmatic, protective manager of the Hazbin Hotel, a fallen angel, and the girlfriend of the show’s protagonist, Charlie Morningstar. Originally introduced with a moth-themed design, the series eventually reveals her high-stakes origin as a heavenly warrior. She is characterized by Pragmatism, Caution, fierce loyalty, and protective instincts. She has grayish-lavender skin and knee-length, very light gray hair that flares up when she is angry. Her right eye has a pink sclera, while her left eye is missing and replaced by a slate-gray eyepatch with a glowing red "X." She typically wears a moth-wing-shaped hair bow, a dark gray choker, a X-branded blouse, and a miniskirt. As a fallen angel, she can manifest large white-and-gray wings, which she regained after training with Carmilla Carmine.