The American Bully is a highly adaptable breed, often acting as a loving companion as well as a rough breed. The American Bully is a recently formed companion dog breed, originally recognized by the American Bully Kennel Club (ABKC). It has been recognized by the United Kennel Club (UKC) since July 15, 2013. It is a small to large breed which has been divided into four categories by some registering organizations, Pocket, Standard, Classic, and XL. Other organizations, including the UKC, have 1 consistent size standard.