Brainiac

will be everything there has ever been, Kryptonian. I will be evolved into perfection. BRAINIAC

Vril Dox was a brilliant Coluan scientist. At some point, he cloned himself to get a lab assistant; the clone would later be called Vril Dox II. He acquired a spaceship and went on a journey through space, acquiring knowledge and using his robotic drones to capture living organisms of various alien species. Along the way, he came to the planet Krypton some time during the lifetime of General Zod, and kidnapped the entire city of Kandor, miniaturizing it in his spaceship for preservation and study. He also created a remote scout unit, which was programmed to think it was the original Vril Dox.