Brainiac was the planetary-wide supercomputer of Krypton until it left shortly before the planet's destruction. Afterwards, Brainiac traveled the galaxy in pursuit of knowledge and destroyed the sources of the knowledge to increase its value and sought to apply this to the entire universe to complete what it perceived as its function and purpose, making it a nemesis of Superman.
Brainiac (DCAU) has been suggested to play 37 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.