Now That’s A Big Dog! [VIDEO]

This is a big dog! "Hulk" .... Check out the head on this puppy! Hulk loves his family and sings while their Son plays harmonica ..... the world's biggest pit bull with a 28-inch wide HEAD takes owner's three-year-old son for rides... like a horse! Hulk weighs nearly 200 pounds....beware of dog ... or bear ?