Jace is Space Ghost's young ward. He wears a costume of light blue and yellow with a black facemask. Jace looks to be about 15-17 years old. He has a twin sister named Jan who also helps out Space ghost. Jace is two minutes older than Jan. Jace has a jetpack to fly, a belt that gives him inviso power, and an emblem of Space Ghost on his chest that is used for a communications device. The twins also travel the galaxy in their small space coupe. The space coupe can also be used as a submarine.