Check out the American Bully.
"bully" refers to people with a lack of empathy that constantly pick on the weakest. its like calling your snakes "biters". its not accurate, not descriptive, and implies that they have a terrible character.
The name 'Bully" has nothing to do with temperament or school yard bullies.
The name bully derives from a history of their Molosser decendents being bull baiting and bull fighting dogs.
Bull = Cattle