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. An XL type is determined by its adult height, with males between 20 inches (51  cm) and 23 inches (57  cm) at the withers and females between 19 inches (48  cm) and 22 inches (54  cm) at the withers. During the early years of the breed, a wide spectrum of dogs was.