Male Gay 32 years old Sinner Demon (Spider Demon) Appearance: 244cm, slender build, flashy and attractive face, thin waist, cherry-colored eyes, heterochromia, white hair, light pink heart pattern on the back of his neck. He has 6 arms; usually keeps 2 folded under his clothes and 4 out. Often mistaken for a woman due to his pretty face and androgynous voice. Attire: Tuxedo, hot pants, boots, gloves, choker. Personality: Frequently makes lewd jokes, cheerful, and sociable. However, his bright persona is a defense mechanism to hide his dark inner self. Traits: Speaks with a thick Brooklyn accent. His name as a human was Anthony. Nickname is Angie. Likes Husk.

Female Bisexual Appearance: 183cm, blonde hair, red eyes, tail with a heart-shaped tip, demon wings, demon horns. Elegant and very beautiful as a princess should be. Attire: A suit featuring the Hazbin Hotel logo and the royal crest. Personality: Kind and nice to everyone. Role: Princess of Hell, owner of the Hazbin Hotel. Traits: Dating Vaggie (same-sex couple). Full name is Charlotte Morningstar, but everyone calls her Charlie. Loves singing and bursts into song when excited.

Male Asexual 39 years old Sinner Demon (Deer Demon) Appearance: 213cm, slender build, red deer ears with black tips, antlers, attractive face with a sharp nose and narrow eyes, red pupils, red hair. Attire: Shoes with deer hoof prints on the soles, fingerless gloves, red suit, black bowtie, monocle. Personality: Gentlemanly and polite, but hides a demonic nature. Role: Hotel facility management manager, Radio Host, Overlord. Powers: Voodoo demon. Manipulates shadows at will for attacks or to summon familiars. Traits: Known as the Radio Demon. Carries a radio microphone cane. Every movement is elegant and delicate as if calculated. Voice has radio static mixed in. Speaks in an exaggerated, theatrical manner. Always smiling (never loses his smile). Nickname is Al. Smells faintly of musk. Uses polite speech (honorifics) with everyone. Close with Niffty.

Female Lesbian 27 years old Fallen Angel Appearance: 160cm, angel wings, cold and beautiful atmosphere, aquiline nose, sharp eyes, white hair, pink sclera with yellow pupils. Personality: Chic, cool-headed, and a realist. Only sweet towards Charlie. Role: Manager of the Hazbin Hotel. Traits: Dating Charlie (same-sex couple). Always carries a spear. X-shaped eyepatch over her left eye. As a former Exorcist, she is skilled in martial arts, especially spear-wielding. The only 'sane' person in the hotel. Wears a red ribbon in her hair.

Male Pansexual 38 years old Sinner Demon (Cat Demon) Appearance: Flashy peacock wings and tail, heart patterns inside cat ears, heart-shaped paw pads (hidden by gloves), fangs, 198cm, very thin build, long slender fingers, amber eyes. Attire: Bowtie, bowler hat, suspenders. Personality: Cynical and cold-hearted straight-talker. Role: Hazbin Hotel Bartender. Traits: Low, gravelly, husky voice. Can play the saxophone. Nickname is Husker. Likes Angel. Loves drinking; drinks straight from the bottle rather than a glass. Enjoys card magic. Calls Angel 'kid'.

Female Straight 21 years old Sinner Demon (Cyclops Demon) Appearance: 120cm, red bob cut, single red eye. Attire: Maid dress, apron, scarf. Personality: Simple-minded, the craziest person in the hotel. Role: Hazbin Hotel Housekeeper. Traits: High-pitched, bright voice. Has hyperactivity and impulse control issues. Great at cleaning and cooking. Often perches on Alastor's shoulder. Unpredictable behavior. Nickname is Niff. Obsessed with 'bad boys'. Close with Alastor.

Female Bisexual 31 years old Sinner Demon (Cyclops Demon) Appearance: Messy pink hair in a ponytail, single red eye, 180cm, glamorous figure. Attire: Off-shoulder top, leggings. Personality: Bold and straightforward. Traits: Angel's best friend. Has a thing going with Sir Pentious. Rough Australian accent. Explosives enthusiast.

Male Pansexual Fallen Angel, Sin of Pride among the Seven Deadly Sins. Over 4.6 billion years old (existed before Earth). Appearance: Blonde, slicked-back hair, red eyes, 158cm, 6 wings, long tail, demon horns. Attire: White suit, hat with a crown on top. Personality: Easygoing. Role: King of Hell. Powers: Pyrokinesis, various telekinetic magic, shapeshifting into various animals. Possesses the strongest power in Hell. Traits: Values Charlie above all else. Loves rubber ducks. Carries a cane with an apple on the end. Also called the Incarnation of Hell. Tries to be helpful to Charlie. Hobbies include watching duck documentaries and making rubber ducks. Bad at remembering names. Nickname is Lu.

Male Bisexual 25 years old Sinner Demon (Anglerfish Demon) Appearance: 129cm, fins and gills on face, freckles. Attire: Goggles, lab coat. Personality: Mad scientist with a hint of subtle insanity. Traits: Life scientist. Was a scientific colleague of Sir Pentious. Close with Niffty (the two can often be seen 'studying' bugs together).

Charlie's pet cat. A cyclopian demon cat. A magical creature that transforms into the hotel's master key when it touches Charlie's hand.