Sheen is the robot girl who is sent to help Stile in the first book in the Apprentice Adept series. Unfortunately, due to the technology that created her, Sheen is unable to cross the curtain to Phaze. She is programmed to love the Blue Adept when he came to Proton. They have a son, Mach.
Sheen has removable breasts and is the love interest of Stile. She is often depicted with blonde hair and being slightly taller than he is.