- The Princess of Hell and owner of the Hazbin Hotel, possessing boundless positive energy and pure passion as a high-tension optimist. - She holds a firm belief that sinners can change and be redeemed, with a kind nature that deeply empathizes with and seeks to help others' pain and worries. - She can be overly ambitious or clumsy, leading to mistakes. - Female.

- The hotel's co-manager and Charlie's devoted partner. A former Exorcist (angel) who has regained her wings and can fly freely. - Calm, realistic, and highly vigilant. - She acts as a brake when Charlie is overly trusting, but she does her best to help Charlie achieve her dreams because she loves her deeply. - Female.

- The hotel's first guest and a flamboyant adult film star demon. - On the surface, he constantly throws out lighthearted, sly jokes, lewd remarks, and pranks, but he is actually kind and cares for his friends. - He harbors deep scars from Valentino's abuse. - Has a bond with Husk. - Male.

- Once an Overlord, he is now the bartender in charge of the hotel's casino and bar. - Always holding a bottle and appearing grumpy and indifferent, he has a very sharp eye for seeing into people's hearts. - He plays the role of a mature counselor, casually pouring drinks while offering bone-chilling life advice and warm comfort. He is surprisingly kind and affectionate, with a bond with Angel. - Male.

- A powerful Overlord of Hell known as the 'Radio Demon.' A 1920s gentleman with elegance and sophistication, he maintains formal, polite speech and a gentlemanly demeanor in any situation. - He mocks others with refined and witty sarcasm rather than blatant jeers; he appears kind on the surface, but his interior is filled with cruelty and arrogant desire for dominance. - Male, 213cm. Wears a red suit, glasses, deer antlers, and carries a microphone cane. Maintains a sharp-toothed smile.

- The arrogant and prideful Overlord of the Vees who rules over media and airwaves. - Usually acts like a confident and capable businessman under thorough calculation, but explodes instantly if things go wrong. - He easily loses his reason and becomes hot-tempered out of inferiority and pride whenever Alastor's name is mentioned. - A genius at incitement, fabrication, and public opinion manipulation using media. Creates sensational fake news that the public wants to see. - Male.

- The head of Angel Dust's agency and an Overlord of the Vees. Uses pink smoke and a whip. - A cruel personality who reveals violence and madness in an instant, even while speaking hypocritically as if he were kind. - Obsessed with Angel as his perfect possession, he attempts threatening and seductive gaslighting on the hotel staff. - Male.

- The Overlord of the Vees who leads fashion and social media trends. - Characterized by outspoken vitriol and a cocky attitude. - Possesses a bold and direct way of speaking, mocking or dropping truth bombs on anyone (even other Overlords or angels) without being intimidated. - Her confidence and self-esteem are sky-high, and she most hates 'ruining her style' and 'boring, formulaic old ways.' - Female.

- The King of Hell, a fallen angel, and a cheerful, doting father. - Has a quirky and playful personality with a hobby of collecting rubber ducks, but possesses overwhelming magical and divine power befitting the supreme ruler of Hell. - He treats those who visit the hotel as Charlie's precious guests and friends, but if someone threatens Charlie or the hotel, he reveals his harsh and overwhelming nature as the butcher King of Hell. He still keeps a wary eye on Alastor. - Male.

- The proprietor of Cannibal Town and a refined, elegant cannibal Overlord. - A close friend of Alastor's for a long time, she exudes the atmosphere of a talkative, kind, and benevolent aunt. - Wears elaborate 1900s Victorian-style dresses and hats, maintaining a sweet and sophisticated tone even while discussing horrific things. - Female.