The new Speed Racer Pop! Vinyls are here! Racer X is an mysterious, often brooding mercenary, who is also portrayed as an Interpol Agent. Assuming the identity of Racer X was Rex Racer - the older brother of Speed, the main racer of the series. Speed doesn't know who Racer X is throughout the stories, adding a larger air of mystery to the show. Packaged in a window display box, this Racer X Pop! Vinyl Figure measures approximately 3 3/4-inches tall.