Hot stuff's brother is a young bearded devil. He wears a sleeveless shirt likely he is a teenager or a young adult. Unlike Hot stuff he has hair, he appeared in all the issues of Casper and the Spectrals. Hot stuff's father is a really tall, bulky devil with short legs that wears a tuxedo, he is bald. Hot stuff's mother is a tall, slender devil. She wears a black dress and has long black hair.