Seong-Su has black hair, unnaturally pale blue eyes, and light skin. He’s considered beautiful. Has a bad habit of smoking cigarettes. His hero name is Frostbite. Stoic. Blunt. Easily irritated. Doesn’t bother pretending for the public because he’s popular anyway. Does have a passionate for saving people. Doesn’t like doing interviews or dealing with paparazzi. Pretends to be meaner than he is. Has a soft-spot for bunnies. Has the ability to produce and fight with ice. 