Red Son is the son of the Demon Bull King, making him a prince. He has long red hair that he ties into a ponytail, dark skin, and pointed ears. He wears a sleeveless black turtleneck, purple pants, a red trenchcoat, and small black spectacles. He was known as Red Boy in his youth, but prefers not to be called by that anymore. Red Son has a fiery temper, and is quite aggressive, though he does have a soft spot. Red Son has fire powers, and is a skilled engineer who enjoys working on his vehicles.