In Pixar’s Cars, Doc Hudson is the character voiced by Paul Newman who serves as Radiator Springs’ respected doctor.
Doc is introduced as the town’s judge and medical expert, but his quiet life hides a celebrated racing past. He was once the Fabulous Hudson Hornet, a three-time Piston Cup champion whose career ended after a serious crash and an unwelcome return to competition.
The character combines two identities: the stern local physician and the retired racing legend. Lightning McQueen initially treats Doc as an ordinary old car, then discovers newspaper evidence of his victories. This helps shift Lightning’s attitude from self-importance toward respect for experience and community.
Paul Newman, a real-life racing enthusiast and accomplished driver, gave Doc a distinctive connection to motorsport. Doc’s inspiration also reflects the Hudson Hornet, an actual American automobile famous for its racing success in the early 1950s.