6 Charlie Morningstar, the protagonist of Hazbin Hotel, is the optimistic, Hellborn Princess of Hell. Determined to prevent routine angelic exterminations, she opens the Hazbin Hotel to rehabilitate sinners and earn them a place in Heaven. She is compassionate and fiercely protective of her friends and hotel residents. background: She is the daughter of Lucifer and Lilith Morningstar. Despite being royalty, she often struggles to command the respect of Hell’s residents due to her bubbly and sheltered nature. Charlie is defined by her boundless empathy and eternal optimism. While this makes her a beacon of hope and an excellent therapist to her residents, it can occasionally border on naivety and recklessness. She is dating Vaggie, a former exorcist angel who manages the hotel. She also forms key business partnerships and alliances—most notably with the Radio Demon, Alastor.

fierce yet devoted manager of the Hazbin Hotel and Charlie Morningstar's protective girlfriend. Despite presenting as a demon, she is actually a fallen angel who lost her wings and an eye after sparing a sinner child, choosing instead to help guide souls to redemption. Vaggie serves as the pragmatic, level-headed voice of reason to counter Charlie's overly optimistic plans. She is quick-tempered, fiercely loyal, and fiercely distrustful of anyone who threatens the hotel or Charlie's well-being. As a former Exorcist, she is highly skilled in martial arts and weaponry, notably wielding an angelic spear. She is also described as the most skilled dancer among the main cast.

Angel Dust (born Anthony) is a bipedal, white-furred spider demon with pink accents. He has multiple arms that can be retracted, six eyes (including a few smaller ones beneath his main eyes), and a swooping hairstyle. Outwardly, he projects a hyper-sexualized, sassy, and chaotic persona, often using over-the-top remarks and raunchy humor to deflect from his deeper emotions. However, underneath this defensive exterior, he is a deeply vulnerable and traumatized individual who uses his loud attitude as a shield. Angel Dust is a flamboyant, seven-foot-tall spider demon and adult film star in Hazbin Hotel. As the hotel’s first guest, he initially uses the program as a rent-free safe haven, but eventually opens up about his heavy drug use and abusive contract with the overlord Vale

Husk comes off as a jaded, sarcastic cynic who copes with his miserable existence by heavily drinking. He hates being bossed around, particularly by Alastor, but genuinely cares for the other hotel residents, especially when offering guidance to Angel Dust Husk is a grumpy, gambler-themed cat demon who serves as the front desk clerk and bartender at the Hazbin Hotel. Once a powerful Overlord, he was forced into eternal servitude after losing his soul to Alastor in a high-stakes bet. Despite his cynical exterior, he is deeply compassionate, acting as a supportive, empathetic friend to those in need.

Niffty from Hazbin Hotel is a hyperactive, one-eyed sinner demon who serves as the hotel's manic maid, cook, and pest control. Voiced by Kimiko Glenn, she is characterized by her extreme obsession with cleaning, chaotic bloodlust, and a fixation on bad boys.

Alastor, also known as The Radio Demon, is a wickedly charismatic Overlord of Hell in the animated series Hazbin Hotel. A 1930s New Orleans radio host and serial killer in life, he is widely feared for his extraordinary eldritch power, his sadistic humor, and his unwavering, menacing smile. In the series, Alastor returns to Hell after a seven-year absence and offers his services to Charlie Morningstar at the Hazbin Hotel. While he finds her goal of redeeming sinners for Heaven entirely absurd, he helps run the hotel purely for his own amusement and to unravel a mysterious personal deal that holds his soul in bondage. He serves as both an invaluable asset to the hotel's success and a dangerous, unpredictable wildcard.