When I used to see in the picture of the network dog, I thought it muscles under some brawny athlete in Photoshop. But it turned out, this is a. Click on a breed to customize it! Dogs marked with a + have multiple shapes/cuts. Logo Airedale Terrier · Logo American Akita · Logo American Cocker Spaniel. See our picks for the best muscular dog breeds in the World. MUSCLE BUILDERS Bully MaxMuscle Building Tabs · Bully Max Soft A muscular dog, as the name suggests, is a muscular, strong and powerful dog and the.