Brainiac (comics)
Brainiac is a fictional supervillain in DC Comics, most often appearing as an opponent of Superman. Brainiac was originally a supercomputer on the planet Colu who traveled the universe, eventually coming to Earth. He has since fought Superman numerous times, and has been adapted into various television adaptations of the Superman mythos. In , Brainiac was the supercomputer that ran most of the day-to-day operations on Krypton; he left the planet prior to its destruction, eventually following Krypton's last survivor, Superman, to Earth.Originally, Brainiac resembled a green-skinned humanoid with metallic discs on his forehead; this version of the character was seen on the Super Friends cartoon, and a variation appeared on Superman: The Animated Series. Later, Brainiac rebuilt itself into a steely, skeletal form that was more clearly mechanical and less human in appearance.