Racer X
Rex Racer, brother of Speed Racer
- Also known as Manager X
Rex Racer (the mysterious Racer X) is the son of "Pops" Racer and "Mom" Racer. He is the older brother of Greg "Speed" Racer and Spritle Racer.
Appearances
- Racer X #4
- Speed Racer #2 — 1987-09-00
- Speed Racer #3 — 1987-10-00
- Comic Shop News Collector's Guide #1 — 1988-00-00
- Speed Racer #8 — 1988-03-00
- Speed Racer #9 — 1988-04-00
- Racer X #2 — 1988-09-00
- Racer X #1 — 1988-09-00
- Speed Racer #14 — 1988-10-00
- Speed Racer Classics #2 — 1989-04-00
- Speed Racer #20 — 1989-05-00
- Speed Racer #21 — 1989-06-00
- Speed Racer #22 — 1989-07-00
- Speed Racer #25 — 1989-10-00
- Speed Racer #2 — 1992-08-00
- The New Adventures of Speed Racer #4 — 1994-03-00
- The New Adventures of Speed Racer #5 — 1994-04-00
- Speed Racer: Mach Go Go Go #Vol. 1 — 2008-02-00
- Speed Racer: Mach Go Go Go #Vol. 2 — 2008-02-00
- Speed Racer: Chronicles of the Racer #[nn] — 2008-04-16
- Speed Racer & Racer X: The Origins Collection #[nn] — 2008-05-00
- Racer X #1 — 2025-09-10
- Speed Racer #3 — 2025-10-01
- Speed Racer: Tales from the Road - Two Princes #[nn] — 2025-10-22
- Speed Racer #4 — 2025-11-05