Brainiac

Brainiac is a supervillain appearing in American comic books published by DC Comics. The character was created by Otto Binder and Al Plastino and first appeared in Action Comics #242 in July 1958. Brainiac is usually depicted as an extraterrestrial android or cyborg who serves as one of Superman‘s greatest enemies and a major adversary of the Justice League. He is known for shrinking and stealing Kandor, the capital city of Superman’s home planet Krypton, and is even responsible for Krypton’s destruction in some continuities.