The record on the XXL Pitbull is unfamiliar but it's believed that they have been also first bred while in the U.S. These dogs are increasingly being bred to serve as protection pet dogs as a result of their large size and usually endure aggression teaching. ^^Bruce aka Batman http://xxlpitbull14578.tinyblogging.com/Little-Known-Facts-About-xxl-pitbull--28921022