Mirror Man was a monster from another world that entered Earth's dimension when a scientist named Dr. Pierce was experimenting with silicon atoms to create a new isotope. The experiment allowed the creature to break free from the mirror world and it began to siphon silicon from the doctor killing him. Keith Spencer,Captain Flash, found Pierce's dead body but soon found himself under attack from Mirror Man. Keith transforms into his superhero form and fights back the beast sending the monster back into the mirror. Mirror Man returns