A wide array of physical and mental characteristics make the Labrador retriever such a popular breed, and let's not forget those big friendly brown and hazel eyes! (caninejournal.com)
As well, since the French Bulldog has only recently become such a popular breed, the data the researchers used was taken from younger dogs, and doesn't fully represent older dogs. (petguide.com)
To me, his head shape suggests Shar Pei, and I defaulted to Labrador Retriever mix since it is such a popular breed and his owner is a lab fancier. (okcpetsmagazine.com)