Here's one for Bill's dog Sparky, a dog legend has is so lazy he'll have people step over him rather than move, a dog who will be in the same spot when Bill gets home from work as he was when Bill left for work. put out a list of the top 5 most athletic dogs. Do you think your dog made the cut? You think a Rottweiler or a Pit Bull made the list because of muscle? Think again. Find out if you have one of the most athletic dogs here.