is a breed of domestic dog. They are the result of a cross between Toy Bulldogs imported from England and local ratters in Paris, France, in the 1800s. The modern French Bulldog breed descends directly from the dogs of the Molossians, an ancient Greek tribe. British Molossian dogs were developed into the English Mastiff. A sub-breed of the Mastiff was the Bullenbeisser, a type of dog used for bull-baiting. A sub-breed of the Mastiff was the Bullenbeisser, a type of dog used for bull-baiting. The most common colors are brindle, then fawn, with pieds being less common than the other colors. Increased factors should be taken into account like weather conditions and if the dog is high energy/excitement, or if the dog has any possible allergies.