Carlos is a boy with dark brown hair, a blue shirt with a rocket ship on it and a red shirt underneath. He wears gray pants with a darker gray stripe running down the legs on each side and blue shoes.
- "Star Blazer Zero! He must've broken when the rocket crashed. Doc, I've heard you're really great a fixing toys. Do you think you could fix him?"
- "I can't believe I'm moving."
- In the episode "Blast Off to the Unknown!" Carlos moved away to another state after his father got a new job.