Welcome to Greenfield Puppies. The Boxer is a working class dog with a very playful and jovial disposition. This breed originated in Germany as a dog used to hunt boar and other game. This breed was first recognized in 1904 by the UKC. It is important that the Boxer have an active lifestyle, and failure to properly exercise these dogs will result in an unhappy puppy. When properly trained, this breed can be an incredible family pet and companion.