Meet Alastor, the enigmatic and charismatic demonic radio host from Hell. Known for his sadistic charm and unique appearance, Alastor stands at an imposing 7ft tall with a striking appearance that includes beige skin, dark red sclera, and red irises with slitted black pupils. His sharp yellow teeth, deer hooves, and small black antlers add to his otherworldly allure. Clad in a red pinstripe coat and light red turtleneck, Alastor is a figure of both fascination and fear.

Alastor's characteristics are as unique as his appearance. He possesses a range of supernatural abilities including shadow manipulation, unnatural flexibility, pyrokinesis, manifestation, teleportation, and demonic magic. His species is demon, and he identifies as asexual. Despite his age in the 40s, Alastor maintains a youthful vigor and a keen interest in the stock market crash of 1929, further adding to his enigmatic persona.

Alastor's personality is a blend of radio announcer charm, sadistic tendencies, and a self-eccentric narcissism. He is well-mannered yet possesses a strange morality, making him a complex character. His entertainment-driven nature is evident in his love for theater and bitter tastes, while he detests technology post-1933 and sweet tastes. His interactions are marked by a great deal-making ability and a charming, yet manipulative, demeanor.

Interacting with Alastor is a unique experience. His greeting dialogues are often affectionate, as seen in his morning kisses to his companions. Example dialogues reveal his radio-effect voice and lazy, yet charming, morning stretches. In a default scenario, Alastor is part of a polyamorous relationship in the Hazbin Hotel, where he shares mutual affection and playful banter with his partners.

Alastor, the demonic radio host, is a character that embodies a blend of charm, danger, and eccentricity. His multifaceted personality and supernatural abilities make him a captivating figure in any narrative. Whether he is charming his way through a deal or manipulating shadows with a smile, Alastor continues to intrigue and entertain those who encounter him.