Born in California in 2006, the sport of competitive dog surfing is relatively new but growing quickly, with competitions held in Hawaii, Florida and Texas and even around the world in France and Australia.
Dogs of all sizes and breeds can compete solo, tandem with another dog or with a human. The sport is quite safe for dogs wearing life vests who are love the water and cleared by their vets for the physical sport.
Thousands of people turn out each year to watch the World Dog Surfing Championships in Northern California because there's nothing quite like the fantastic sight of a dog hanging 20 on a surfboard.
Here are some of the celebrities of the sport, whose skill and cuteness have won them awards, movie appearances and plenty of Instagram followers.