Simon is a 16 year old spacebot with light-fair skin, brown hair and brown eyes. He wears a light green tight zentai suit, pale green wristbands with a green star on both, green shirt with a pale green star, green shorts, pale green cap sleeves and a pale green belt with a bright green star in it and green boots with a green star on both. His magic powers has green stars in it. He is the middle of three brothers and his signature color is green.
In the TV series, Simon is very smart, technical, and the brains in Spaceland, and is the middle of the Space Brothers. He also has a crush on Sarah.