Shisa Inu, also known as Tosa Fighting Dog or Japanese Fighting Dog, is a dog breed native to Kochi Prefecture, Japan. Its coat is short and close to the skin, and is usually reddish-brown in color. The Tosa Inu has a stout and powerful body, a medium head, a wide muzzle, well-developed jaw muscles, small and drooping ears, and slightly small and reddish-brown eyes.

Pit Bull Terrier, also known as American Pit Bull Terrier or American Bulldog, is a breed that was bred A dog breed with endurance, strong bite, tough skin and well-developed muscles. They are aggressive and need a large, fenced yard to get plenty of exercise.

Regarding the comparison between Shizuo and Pitbull, both are powerful and aggressive dog breeds, but each has its own unique characteristics and uses.