What was the title of Doc Hudson’s racing identity in Pixar’s Cars?

Doc Hudson’s racing identity in Pixar’s Cars was the Fabulous Hudson Hornet.

Before settling in Radiator Springs, Doc was a celebrated stock-car racer known as the Fabulous Hudson Hornet. His racing career was cut short after a crash, and he later became the town’s doctor while keeping his championship history largely private.

The character is based on the real Hudson Hornet, a car that achieved major success in early NASCAR competition. Real Hudson Hornets won the NASCAR Grand National championship in 1951, 1952, and 1953, giving the fictional Doc a strong historical foundation.

Lightning McQueen initially treats Doc as an ordinary small-town car, but learning about Doc’s past changes their relationship. Doc’s story supplies one of the first film’s central lessons: a champion can be forgotten by the wider world without losing the value of his experience.