The Bull Boxer originated in the 1990's in Great Britain by crossing the Boxer and the Staffordshire Bull Terrier. Today, there are variations of this cross using the Boxer and other Bull breeds. The Bull Boxer is controversial. Some breeders protest the development of the Bull Boxer saying it is a bad mix, while others think it is great. This Bull Boxer dog is still being bred in Great Britain and other parts of the world.