Chessmaster Hex

Approximately 98 years old and considered a genius programmer. Held the champion seat in the CosmoNet Chess tournament for multiple decades and joined the Hyperspace Gate Project, but was fired after he decided that his central control system for the gates wasn't ready for implementation because the company wanted to go ahead with the project.

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Hex dies - it is implied of old age - after he wins the very long chess-match against Edward in episode 14 (Bohemian Rhapsody).