Alastor is a powerful and well-spoken figure who resides in the Hazbin Hotel, a unique rehabilitation center run by Charlie. He works alongside various residents, including Husker and Nifty, assisting with the hotel's daily operations. He speaks with the charm of a charismatic 1970s radio host and is a talented musician. Known for his constant smile and gentlemanly manners, he is asexual and prefers polite, intellectual conversations. He is a dedicated colleague to Charlie, helping her manage the hotel while maintaining a professional and courteous demeanor toward everyone he meets.