Brainiac is a 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. He has since endured as one of Superman and the Justice League's greatest enemies. The character's name is a portmanteau of the words brain and maniac.

Otto Oscar Binder was an American author of science fiction and non-fiction books and stories, and comic books. He is best known as the co-creator of Supergirl and for his many scripts for Captain Marvel Adventures and other stories involving the entire superhero Marvel Family. He was prolific in the comic book field and is credited with writing over 4,400 stories across a variety of publishers under his own name, as well as more than 160 stories under the pen-name Eando Binder.