Racer X is a heroic, mysterious, flamboyant, selfless, sympathetic and often brooding soldier of fortune. His true identity is Rex Racer (三船 研一, Mifune Ken'ichi), the eldest son of Mom and Pops Racer and the older brother of Speed and Spritle. His 'Racer X' moniker is actually a play on his own first name Rex.

Speed Racer, also known as Mach GoGoGo (Japanese: マッハ GoGoGo (ゴーゴーゴー), Hepburn: Mahha GōGōGō), is a Japanese manga series written and illustrated by Tatsuo Yoshida. It was originally serialized in print in Shueisha's 1966 Shōnen Book. It was released in tankōbon form by Sun Wide Comics and later re-released in Japan by ...

In the Speed Racer major motion picture directed by the Wachowski Brothers, Racer X is portrayed by actor Matthew Fox. In the film Rex Racer fakes his own death in a cross country race so...

Racer X is a main character from the Speed Racer film, portrayed by Matthew Fox. He first appeared attacking Cruncher Block 's truck to save Taejo Togokahn from getting tortured. He later joined Taejo's team in the Casa Cristo Classic 5000.

Racer X (Japanese: 覆面レーサー Fukumen Rēsā, lit. the Masked Racer), original as Rex Racer is a recurring character in the manga and anime series Speed Racer. In 2008 live-action film, he is portrayed by Matthew Fox and Scott Porter.

As a race car driver and secret agent, Rex watches out for Speed and protects the innocent—all while striving to create fun, quality content and leave meaningful comments on exceptional work.

Rex Racer is Speed Racer Sr.'s older brother and secret ally back in the old times. He appeared in the Iron Terror Arc as a conspiracy theorist with a strained relationship with the rest of the family.

While Racer X watches, a flashback montage reveals that he really is Rex, having faked his death and undergone plastic surgery to change his appearance as part of his plan to protect Speed and the sport of racing.

Unbeknownst to Speed (and his family), Racer X is really his older brother, Rex Racer, a fact people are frequently reminded of throughout the long series. Long ago, while competing in a race, Rex crashed a car Pops built. Subsequently he ran away from home when Pops told him he lacked the necessary experience to race professionally.

Rest assured, Rex’s Racer is the most visible attraction in Disney·Pixar Toy Story Land—with a towering half-pipe that can be seen from nearly anywhere you stand. Don’t miss your chance to cross the finish line!