All Molosser dogs are versatile dogs, characterized by their immense courage, loyalty towards their owner, and a strong sense of territory.
The Bulldog breeds owe their heritage to Bull and Mastiff type canines of indefinite origin, which were used to guard, control and bait bulls, hence their name. They are characterized by a large head, strong, square build, shortened muzzle, strong and undershot jaws, which ensures a strong and efficient bite.
Bull-and-terrier Breeds are descended from crosses between different types of British Terriers (White English Terrier, Manchester Terrier) and ancient Bulldogs. They combine the muscle power and tenacity of the ancient Bulldogs with the agility and stamina of the terriers, without being hyper-active as most terrier breeds.
The ancient fighting dog breeds that were once bred for fighting, for serving as
war dogs of for the hunting or big game. Dog breeds descended from these breeds usually make very loyal, courageous dogs, some of which are also excellent guard dogs. Their character is often dominant and tenacious.