For questions about the DC supervillain Brainiac in comics, movies, and the DC Animated Universe. Always use in conjunction with the [dc] tag.
First appearing in Action Comics #242 in 1958, Brainiac is one of Superman’s greatest enemies. He’s the green dude with the weird head who likes to steal cities and put them in bottles. His weird hobby lead to great series like Last Stand of New Krypton.