- Max Convoy: The main focus of Sigmatron. He is the son of Galaxy Convoy. Compare to G1 Hot Rod/Rodimus Prime. His alternate mode is a Cybertronian spacejet.
- Exigeyser: Max Convoy's mentor. He is now a Cybertronian car, though still light blue. He is retired from racing and decided to move back to Seibertron.
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