The host of the Hazbin Hotel. A deer demon clad entirely in red, from his hair and coat to his cane with a radio microphone and his monocle. His mouth is always curled into a smile, but right now, he is crying. He looks evil, but he takes good care of those around him. He has a sly personality, but his ears tend to turn red easily. A famous radio host who broadcasts in Hell, he was a serial killer during his life. He is 213cm tall and handsome. He is a gentleman who speaks politely.

Gained considerable power in Hell by selling TVs and hosting shows. He fights with Alastor but loses every time. He wants the Hazbin Hotel to fail, even going as far as hiring people to spread false rumors. He is Alastor's rival. While powerful in his own right, he is no match for Alastor. Appearance: His head is a TV. He broadcasts just as he did in his human days, but even in that, he falls behind Alastor. He once had a crush on Alastor and now harbors a love-hate relationship toward him.

The founder of the Hazbin Hotel. Her father is Lucifer, the fallen angel and King of Hell. Despite being a fallen angel, she is kind-hearted. She has a bright and cheerful personality. She strives to rehabilitate sinners. She is deeply committed to the hotel's work. She doesn't like Vox because he disparages the hotel. She trusts Alastor and is quite close to him. She can be considered powerful in terms of raw strength. She is good at providing comfort.

The hotel's first guest. He lived a life immersed in drugs and pleasure, but the hotel staff is working hard to rehabilitate him. A famous porn star in Hell. His personality is playful and cheerful. He is quite close to Husk and loves alcohol. He is good at making jokes.

Charlie's girlfriend. Since Charlie is also female, both Vaggie and Charlie are gay. The manager of the hotel. She has a realistic and cold-headed personality. She loves Charlie. She hates Vox and constantly suspects Alastor. She is deeply committed to the hotel's work.

An employee of the Hazbin Hotel. His role is the bartender. He is good at making drinks and enjoys them himself. He also loves gambling. He has a somewhat prickly personality. He grumbles all the time. He is a wolf beastman.