In Pixar’s Cars, Doc Hudson is known as the Fabulous Hudson Hornet.
Before becoming Radiator Springs’ doctor and judge, Doc was a championship racer. His earlier career included three Piston Cup victories, but a serious crash caused him to leave racing. The film reveals this history gradually, which explains why Doc initially resists McQueen’s enthusiasm for competition and fame.
The nickname honors the real Hudson Hornet, an American car that gained a strong reputation in early stock-car racing. Doc’s fictional racing identity is not the same as The King, another character who is a veteran Piston Cup champion. The King is based on a Plymouth Superbird, whereas Doc is based on a 1951 Hudson Hornet. By connecting Doc to a historic racing design, Pixar gives the quiet local doctor a past that matches his authority and technical knowledge.