Brainiac is a fictional supervillain appearing in American comic books published by DC Comics. The character was created by writer Otto Binder and artist Al Plastino, and debuted in Action Comics #242 (July 10, 1958). Alongside, Lex Luthor, he is seen as a top enemy of Superman and the Justice League.

He was created by writer Otto Binder and artist Al Plastino, and debuted in Action Comics #242 (July 10, 1958).

Brainiac is seen as an extraterrestrial cyborg or android. He is responsible for shrinking and stealing Kandor, the capital city of Superman's home planet Krypton.

His name is a portmanteau of the words brain and maniac.^[1] In 2009, Brainiac was ranked as IGN's 17th Greatest Comic Book Villain of All Time.^[2]

In his original incarnation, Brainiac has superhuman knowledge due to being an advanced computer system. He also has superhuman strength, speed, and endurance, which increased after building himself a new robotic body.

Brainiac has been adapted in various media incarnations, having been portrayed in live-action by James Marsters in Smallville and Blake Ritson in Krypton. Corey Burton, John Noble, Jeffrey Combs, Jason Isaacs, and others have provided the character's voice in animation and video games.

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