Oscar was a tiny fellow who liked to walk the streets of Chicago on a leash.
"But then he grew and grew and grew," Kimbell said.
He topped out at an unhealthy 180 pounds before Kimbell got a better handle on his diet. These days his meals consist of roasted pumpkin mash, grapes, almonds, apples, watermelon and canned fruit. Dog treats are pretty tasty too, but his favorite snack is Southwest Airlines peanuts.
to see Oscar in action, visit: http://www.dallasnews.com/video/dallasnews/hp/index.html?nvid=413241