It is a muscular, hefty dog with a wrinkled face and a distinctive pushed-in nose. The Kennel Club (UK), the American Kennel Club (US), and the United Kennel Club (US) oversee breeding records. Bulldogs are popular pets; they were the fifth most popular purebreed in the US in 2017 according to the American Kennel Club.Bulldogs have a longstanding association with English culture, as the BBC wrote: 'to many the Bulldog is a national icon, symbolising pluck and determination.' During World War II, Bulldogs were often likened to Prime Minister Winston Churchill and his defiance of Nazi Germany. Dockleaf was smaller and heavier set, more like modern Bulldogs. King Orry was declared the winner that year, finishing the 20-mile (32 km) walk while Dockleaf collapsed.