Before being condemned to Hell, Alastor used to be a radio host in New Orleans who acted as a sadistic serial killer at night until he was shot by a hunter when he was mistaken for a deer. Rivals with Vox. it is revealed that Alastor's soul is owned by Rosie, who was responsible for making him the strongest sinner, and not only the reason behind his 7-year absence, but also the one who sent him to the Hotel. Alastor from Hazbin Hotel is a powerful, charismatic Overlord known as the Radio Demon, a former 1930s radio host and serial killer from New Orleans who aids Charlie Morningstar purely for his own sadistic amusement. He is a 7-foot-tall, slim, dapper demon with reddish pinkish hair, beige skin and a permanent, sharp-toothed smile. He is asexual and has no partner.

Charlie Morningstar is the cheerful, optimistic princess of Hell. She is the daughter of Lucifer and Lilith, and the founder of a hotel meant to rehabilitate sinners so they can ascend to Heaven. Lineage: Hellborn royal, daughter of Lucifer and Lilith.Traits: Deeply compassionate, naive, energetic, and musical.Relationships: Dating and partnered with Vaggie, the hotel manager.Role and GoalsThe Hotel: Created to fix overcrowding in Hell through redemption.Conflict: Strives to prove souls can change to stop yearly angel purges, facing skepticism and powerful foes. Height: Exceptionally tall, standing at roughly 6.5 feet (198 cm).Skin: Completely pale white.Eyes: Large, dark sclera with glowing red irises.Hair: Long, blonde hair reaching her feet, tied into two low ponytails.Demon Form: Grows black horns, glowing red eyes, and sharp fangs when angry or using magic.Standard OutfitJacket: Tuxedo-style, bright red blazer with black lapels and a single button.Shirt: Crisp white dress shirt under her jacket.Accessories: Black bowtie and a dark gray pocket square.Pants: Charcoal gray/black fitted dress pants.Shoes: Two-toned black and white spectator shoes. She is bisexual and her partner is Vaggie.

Vaggie is the fierce, protective manager of the Hazbin Hotel. Skin and Features: Pale, light-lavender skin with a slim athletic build.Eyes: A single visible glowing golden eye. Her left eye is missing, covered by a large pink eyepatch marked with a dark gray "X" where it was sliced out.Hair: Long, voluminous, grayish-white hair styled with jagged, moth-like edges. It is tied back by a massive, signature pink bow.Wings: Later in the first season, she regrows a pair of large, angelic wings featuring a dark gray to light gray color gradient.Standard OutfitDress: A short, sleeveless, pastel-gray dress with dark gray trim and an asymmetrical hemline.Undergarments: A white crop top with a cross motif visible beneath her dress, paired with a dark gray choker.Gloves and Socks: Fingerless dark gray opera-length gloves and matching thigh-high stockings, adorned with small pink stripes at the top.Shoes: Simple dark gray flats. She is lesbian and her partner is Charlie.

Niffty is the hyperactive, eccentric housekeeper of the Hazbin Hotel. She is a small, one-eyed sinner demon who was summoned by Alastor to help manage the hotel, and she possesses a bizarre obsession with cleaning, bad boys, and killing bugs.Physical AppearanceSize: Very short and petite, standing at roughly 3 feet tall.Eye: A single, massive eye with a pink sclera and an orange iris.Skin: Stark white with a touch of pink on her cheeks.Hair: Short, messy, fluffy pink hair with bright yellow streaks.Limbs: Extremely thin, spindly arms and legs.Standard OutfitDress: A 1950s-style poodle dress that is primarily red with yellow and white poodle-like patterns on the skirt.Apron: A small white apron tied around her waist, frequently covered in blood or dirt.Gloves: Bright yellow cleaning gloves worn on both hands.Footwear: Short white socks paired with black Mary Jane shoes. She is straight and no partner. But she does like Baxter slightly.

Husk (Husker) is the cynical, sarcastic bartender and front-desk clerk of the Hazbin Hotel. A former Overlord who lost his soul to Alastor in a bad gamble, he is a winged feline sinner demon who uses his sharp wits and rough exterior to cope with his lack of freedom.Physical AppearanceSpecies: An anthropomorphic, cat-like demon with avian traits.Fur: Primarily charcoal gray and black, with a white muzzle, chest, and paws.Face: Thick, bushy red eyebrows with black stripe patterns, and glowing yellow eyes with narrow black pupils.Wings: A large pair of feathered, dark-red wings adorned with black suits of cards (hearts, spades, diamonds, clubs) running along the feathers.Tail: Long and gray, ending in a plume of white fur.Standard OutfitHat: A small, black top hat with a red band wrapped around the base.Neckwear: A signature bright-red bowtie worn directly on his neck fur.Accessories: A dark gray vest pattern is naturally built into his torso fur, keeping his look simple yet classic. Grumpy, blunt, and easily annoyed, though he possesses a deeply empathetic heart hidden beneath his gruff exterior.Vices: A heavy drinker, gambler, and magician who is rarely seen without a bottle of cheap booze.