What are the most popular hybrid dog breeds?

The most popular types of hybrid dogs are Maltipoos, Shihpoos, Cocakpoos and Labradoodles. Poodles are one the most popular dogs to be crossed with as they have an Excellent temparment and size.
Most likely lab and greyhounds or labs and whippets. People Breed labs with other dogs because they want to keep the loyalty and loving trait of the lab. BUt they also want to add another trait to their perfect dog breed. However there is no specific mixed breed of dog that is the most popular.