There are many bully pitbull bloodlines, each with unique characteristics. Well-known examples include:
- American Pit Bull Terrier (APBT): Known for strength, athleticism, and intelligence; 30–65 pounds.
- American Bully: Developed in the 1990s; massive size, muscular build, gentle temperament; 50–120 pounds.
- Staffordshire Bull Terrier (SBT): British bloodline known for strength, courage, and loyalty; 24–38 pounds.
- Olde English Bulldogge (OEB): British bloodline with massive size, muscular build, and gentle temperament; 60–120 pounds.
- American Bulldog: A hybrid of APBT and OEB; strong, athletic, and loyal; 60–120 pounds.