In Pixar’s Cars, the former racing champion who lives in Radiator Springs as its doctor is Doc Hudson.
Doc Hudson is a Hudson Hornet who serves as Radiator Springs’ town doctor. He initially appears to be a reserved local figure, but the film gradually reveals that he once had a celebrated racing career and won three Piston Cups.
Doc’s history explains his complicated reaction to Lightning McQueen. He recognizes McQueen’s talent but dislikes the young racer’s arrogance and the media culture that once pushed Doc aside after a serious crash. His past gives the film one of its most important lessons about fame, disappointment, and respect.
Doc Hudson was voiced by Paul Newman, whose own public image as an actor and race enthusiast added resonance to the role. The character’s racing history is also why the Hudson Hornet became a fan favorite beyond the film itself.