Markus Krankzler

Markus Krankzler is a professional race car who competed in the Piston Cup Racing Series. He superseded Lee Revkins as the Transberry Juice racer, before being replaced with Bubba Wheelhouse. His number is 6, having changed from being 63 for Lee.

History
In Cars 3, Markus competes in the 2016 Piston Cup season, but when the next-generation rookies begin performing much better than the veteran racers, Transberry Juice fires Markus and replaces him with a next-generation racer named Bubba Wheelhouse.

Appearance in Thomas and the Magic Railroad (2019)
Along with several other Piston Cup Racers and characters from other movies, Markus makes a cameo appearance when the movie is rewinding back to the beginning.

Trivia

 * He is named after Pixar's technical director Markus Kranzler.
 * According to concept art, he was supposed to have the number 63.