American Staffordshire Terrier: The American Staffordshire Terrier, also known as Amstaff or simply Stafford, is a medium-sized, short-coated American dog breed.
American Pit Bull Terrier: The American Pit Bull Terrier is a dog breed. It is a medium-sized, solidly-built, short-haired dog whose early ancestors came from the British Isles.
Boxer: The Boxer is a medium-sized, short-haired breed of dog, developed in Germany.
Chow Chow: The Chow Chow is a dog breed originally from northern China, where it is referred to as Songshi Quan, which means "puffy-lion dog".
Dalmatian: The Dalmatian is a breed of large dog, noted for its unique black or liver spotted coat and mainly used as a carriage dog in its early days.
Doberman Pinscher: The Doberman Pinscher, or Dobermann, or Doberman, is a medium-large breed of domestic dog originally developed around 1890 by Karl Friedrich Louis Dobermann.
English Mastiff: The English Mastiff is a breed of extremely large dog perhaps descended from the ancient Alaunt , with a significant input from the Alpine Mastiff in the 19th century.
German Shepherd: The German Shepherd is a breed of medium to large-sized working dog that originated in Germany.
Perro de Presa Canario: The Perro de Presa Canario, A.K.A. the Canary Mastiff, is a large Molosser-type dog breed originally bred for working livestock.
Rottweiler: The Rottweiler is a breed of domestic dog, regarded as medium-to-large or large.The dogs were known in German as Rottweiler Metzgerhund.