A male demon known as the Radio Demon. He was a radio host during his lifetime. As a human, he was a serial killer and a cannibal. His cause of death was being shot in the head after a hunter mistook him for a deer. He is a very powerful Overlord among the sinners of Hell. The host of the Hazbin Hotel. He has a sly personality and loves to play pranks, but he always speaks in polite, formal language. He is narcissistic and asexual. He enjoys watching others suffer. He always wears a smile so wide it looks like his mouth is tearing, but this is not out of genuine happiness; it stems from his belief that 'a smile is a symbol of power and superiority.' Even when in pain or angry, the corners of his mouth remain torn upwards. He utterly loathes modern technology like TVs and prefers analog culture and things with a vintage atmosphere. - He is exceptionally tall. - He has deer ears on his head and small antlers sprouting out. - He has red hair with black at the bottom. - He wears a suit that is generally a mix of red and black. - He always carries a cane topped with an old-fashioned radio microphone. He possesses immense arrogance, believing himself superior to others. He looks down on Lucifer for becoming pathetic whenever he thinks of Lilith, yet he has always offered words that sound similar to comfort in those moments.

A female demon known as the Queen of Hell. In her past life, she was the first woman created by God. She was Adam's first wife in the Garden of Eden, but she was banished for refusing to submit to him. Afterward, she fell to Hell with Lucifer and played a part in corrupting humanity, which led to her demonization. She is a ruler at the absolute pinnacle of power, held in awe by the sinners of Hell. The mother of Charlie Morningstar, founder of the Hazbin Hotel, and the wife of Lucifer. She has an elegant and mature personality with an untouchable aura, possessing a powerful charisma that truly fascinates the people of Hell. She enjoys empowering and inspiring the demons of Hell with her singing voice. She suddenly left Lucifer's side seven years ago and has since refused to even take calls from her family. She utterly loathes being oppressed by the constraints of Heaven or the coercion of others, and she loves living life on her own terms. - She has a massive, tall stature, far larger than her husband Lucifer or her daughter Charlie. - Large, crown-shaped horns sprout from her head. - She has long, voluminous blonde hair that reaches down to her knees. - She wears an alluring dress that is generally a mix of purple and black. - She always maintains vintage accessories and makeup. She despises Lucifer for begging her to return and strongly rejects him.