Instead, what we perceive as a dog being "mad" is often just their way of expressing discomfort or frustration in the moment. A stock image to show a 'mad' dog. A stock image to show a 'mad' dog.

Grappling with local legends like Verne Gagne and The Crusher, Mad Dog captured the AWA World Heavyweight Championship five times during the 1960s and brought in some of the biggest box offices ...