Hieronymous[6] Hacker (the hacker) is the main character and the overall main antagonist of Cyberchase. The arch-nemesis of Motherboard and the CyberSquad, Hacker plans to seize control of Cyberspace. To this end, he has infected Motherboard with a virus[7]. Hacker is the creator of Digit, Buzz, Delete, Gigabyte, and various inventions that he has sought to use for evil.