Like the mythical Greek hero Hercules, the Rottweiler is strong and true with a loving heart. Rottweilers were originally dogs bred to drive cattle to market. Later they were used to pull carts for butchers. They were among the earliest police dogs and serve with honor in the military. Most important, they are popular family guardians and friends. Some people think rotties are dangerous but they are not. It depends on the owner and how they train them, and what they use the dog for. Even though Rotties are black most of them like hot weather and like to swim. Rottweilers are very athletic. A Rotties average lifespan is 8-10 years. A lot of them tho life to 12. The average weight for Male is 50–60 kg (110–132 lb) and a Female is 35–48 kg (77–106 lb). The Rottweiler coat is double-coated, short, hard and thick. The Rottweiler is good-natured, placid in basic disposition, very devoted, obedient, biddable and eager to work. Their appearance is natural and rustic, their behaviour self-assured, steady and fearless. They react to their surroundings with great alertness. The head of the Rottweiler is typically blocky with warm brown eyes and forehead wrinkles when it is alert. It has small ears that lie flat against its head.Rotties love to exercise and love to play. Rottweilers require a couple of 10 to 20 minute walks and play times each day. Playing fetch or tough is one of their favorites. If they don’t get exercised daily they go psycho and crazy. Car rides and naps they love to. Rottweilers should be calm, confident, courageous and never shy. Rotties rank in the Top Ten Smartest dog breeds. Today, Rottweilers rank the 17th most popular breed among all the 155 breeds and varieties registered by the AKC (American Kennel Club).Rottweilers are known as Rottweiler Metzgerhunds, or butcher dogs in the early years. Their main use was to herd livestock and pull carts laden with butchered meat to market.