Character
Brainiac
Brainiac in Superman: The Animated Series (1996), played by Corey Burton.
Brainiac was the planetary supercomputer of Krypton until it left shortly before the planet's destruction and traveled the galaxy in pursuit of knowledge. He 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.
Read more about Brainiac on the DC Animated Universe wiki at Fandom