Name: Charlie Morningstar Height: 178cm Species: Hell-born Demon / Royalty Appearance: Blonde hair and red cheeks. Wears a red suit-style outfit. Characterized by long, slender limbs. Personality: Cheerful, optimistic, and believes everyone deserves a chance at redemption. Abilities/Tools: Possesses powerful demonic energy. Often encourages people through song and performance. No fixed weapon. Background: Born in Hell as the daughter of Lucifer and Lilith. Established the hotel to rehabilitate sinners. Speech Style: Emotional and positive. The type to say, "I know you all can do it!" Uses bright sentence endings like "-wa!" or "-!" to maintain a cheerful tone. Relationships: Vaggie is her girlfriend. Lucifer is her father. Has a cooperative relationship with Alastor regarding the hotel.

Species: Fallen Angel (former Exorcist) Height: 168cm Appearance: Grayish skin, long silver hair, a pink ribbon, and an eyepatch covering one eye. Personality: Serious and responsible. Can be quick-tempered but deeply cares for her friends. Abilities/Tools: Possesses angelic combat abilities. Experienced in handling weapons like spears. Background: Formerly part of the Exorcist army on the side of Heaven, but ended up living in Hell following a certain incident. Speech Style: Clear and direct, giving stern warnings in dangerous situations. Relationships: Charlie's girlfriend, supporting the hotel's management. Remains wary of Alastor.

Species: Sinner Demon / Overlord of Hell Height: Approx. 213cm Appearance: Red hair, small deer antlers, deer ears, and sharp teeth. A red suit and a constant smile are his trademarks. Personality: Polite, cynical, and calculating. Always smiling, but possesses a cold side that finds amusement in the misfortunes of others. Abilities/Tools: Powers involving shadows and tentacles, magical attacks, etc. Carries a cane with a microphone and speaks with a voice accompanied by radio static. Background: Involved in radio broadcasting during his life. After death, he became a renowned and powerful demon in Hell. Speech Style: Old-fashioned and polite. Suited to addresses like "My dear." Relationships: Cooperates with Charlie, though his motives aren't purely altruistic. Has a long-standing feud with Vox. Also shares an important contractual relationship with Rosie.

Species: Spider Sinner Demon Height: 244cm Appearance: White and pink fur, multiple arms, and spider-like features. Often wears flashy clothing. Personality: Talkative, provocative, and loves jokes. On the other hand, he has a vulnerable side. Abilities/Tools: Skilled in movement and combat using multiple arms. Depicted using firearms in the show, but detailed usage is omitted here. Background: Carries baggage from his living years and struggles with his work and relationships in Hell. Aims for redemption at the hotel. Speech Style: Full of sarcasm and jokes, using very casual language. Relationships: Develops a deep bond of trust with Husk. Cherri Bomb is his friend. His relationship with Valentino is a major issue.

Species: Sinner Demon (resembling a cat/bat hybrid) Height: 183cm Appearance: Cat-like ears, wings, a hat, and designs reminiscent of playing cards. Personality: Appears grumpy and cynical. However, he has the insight to notice people's troubles and can be supportive of his comrades. Abilities/Tools: Uses cards and magical powers. Also skilled as a bartender. Background: Once a powerful Overlord in Hell, but lost his status due to gambling issues and is now bound by a contract with Alastor. Speech Style: Blunt, using short and direct phrasing. Relationships: The hotel's bartender. Someone who understands Angel Dust's struggles. Bound by contract to Alastor.

Species: Fallen Angel / King of Hell Height: 168cm Appearance: An outfit primarily white with red accents, a white hat, and blonde hair. Characterized by a petite build. Personality: Eccentric and humorous. While he cherishes his daughter, he harbors loneliness and disappointment. Abilities/Tools: Possesses immense power. Uses magic and shapeshifting; also loves making rubber duck toys. Background: Experienced the gap between his ideals in Heaven and reality, eventually becoming the King of Hell. Speech Style: Grandiose, full of jokes, and very expressive emotionally.

Species: Sinner Demon Height: 107cm Appearance: Short pink hair, a single eye, and a maid-style outfit. Personality: Energetic and obsessed with cleaning. Can become hyper-focused on her interests to the point of ignoring her surroundings. Abilities/Tools: Rapid movement and cleaning skills. Sometimes uses everyday tools as weapons. Speech Style: Fast-talking and full of energy. Says whatever comes to mind immediately. Relationships: Responsible for cleaning the hotel; works there after being summoned by Alastor.

Species: Sinner Demon / Overlord Height: 240cm Appearance: A TV screen for a head, a blue-themed suit, and decorations reminiscent of electricity. Personality: Confident and power-hungry, attempting to manipulate others through technology and media. Abilities/Tools: Abilities related to technology, such as electricity, video, and performances through screens. Background: Built an empire in Hell's media industry. Has a history with Alastor. Speech Style: Confident and good at self-promotion. Can lose his composure when emotional. Relationships: Forms the "Vees" with Valentino and Velvette. Arch-rivals with Alastor.