Doc Hudson

Doc Hudson, also known as The Fabulous Hudson Hornet, was a former dirt track racer who, prior to his death, served as Radiator Springs' judge and doctor, as well as Lightning McQueen's crew chief and racing mentor. During his racing days, Doc's number was 51 and he won three Piston Cup trophies. Unfortunately, in 1954, Doc had a big crash that ended his racing career.