Meet Hulk—The Biggest and Baddest Pitbull Alive. ... Pit Bull Terriers, and other bully breeds, known worldwide for producing massive, muscular dogs like Hulk, the largest Pit Bull in the world.

Reginald, the Guinness World Records titleholder for the tallest dog alive, and Pearl, the world’s shortest living dog, met last month. The all-American canine extremes–a seven-year-old Great ...