Too many treats and too much people food had left him beyond obese — a whopping 56 pounds. But now, after an incredible fitness makeover and even a doggy tummy tuck to remove excess skin, Dennis is fit and svelte and ready for action.
Image: ABC News/YouTube
Now Dennis is down to his goal weight of 12 pounds and can enjoy simple things he couldn't do before, like climbing the stairs.
Check out the workout routine that got Dennis in shape:
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