A bull terrier is not a pitbull (or bitbull ;). Although, they may have been used in pit fighting (along with many other types of dogs), but they were best at getting rid of rats. My dog was really good at digging up moles in the yard, but she was a wimp when it came to any other dog. My parents lhasa apso use to dominate her (and so did pretty much any other dog).
My dog (and the one in the picture here) looks like this: