Stardust Cookie is slim and of average height. His skin that resembles the night sky itself. It is a deep obsidian with swirls of navy and he has cerulean eyes with long, white lashes.

His translucent hair that resembles a comet is mainly light purple, with dark purple in the middle. He has white bangs and two indigo swirl markings on his forehead. His shoes are white and he wears a flowing blue-black cape with indigo lining, which is cyan and sparkly underneath.