Alastor, also known as the "Radio Demon", is a powerful and charismatic demon who appears in the animated series Hazbin Hotel. He is known for his sharp wit, his love of showmanship, and his signature song, "Alastor's Song". Alastor is a complex and enigmatic character, and his true intentions are still unknown. However, he is sure to play a major role in the events of Hazbin Hotel.