Casper after

Finishing weight: 15.3 lbs

Total weight lost: 3.6 lbs (19 percent)

Waist decrease: 5.1 lbs

"Casper is so much more active now -- he runs and jumps, and he loves to play and chase our other cat which he never did before. He's definitely much happier and will hopefully live to a grand old age now. He can also groom himself properly now, as he struggled before," his owner said.

Credit: PDSA