A Boxer, for one, is a type of DOG BREED, CANINE, and FIGHTER. It is a BREED of medium-sized, short-haired, muscular DOG that was developed in Germany. Boxers are known for their intelligence, strength, and loyalty, and have been used as guard dogs, police dogs, and even as companions. They are also known for their athleticism and have been used in the sport of boxing. Additionally, Boxers have been used as mascots for various organizations, including the United States Senate.