It's likely that you're referring to one of the following:
* American Pit Bull Terrier: This is a recognized breed by the American Kennel Club (AKC). They are often mistakenly called "Pitbulls."
* American Staffordshire Terrier: Also recognized by the AKC, this breed is closely related to the American Pit Bull Terrier.
* Staffordshire Bull Terrier: This breed is recognized by the UK Kennel Club, but not the AKC. It is smaller than the other two breeds.
If you are interested in learning more about these breeds, you can research them using their correct names.
It's important to be aware that the term "Pitbull" can be used in a harmful way to promote discrimination against these breeds. All dogs, regardless of their breed, have the potential to be good or bad depending on their individual temperaments and training.