When your feline tips the scales at 43 pounds, you get more than extra fluff—you get a cat that can’t climb stairs and needs a personal trainer. Biggie’s weight-loss journey not only rescued his joints, but also spawned the cheekily named Big House Sanctuary and Rehab, plus an online guide to dechonking for fellow hefty housecats.

Biggie’s transformation proved that even a behemoth tabby can rediscover zoomies with the right care. The viral “chonky cat” video community now swaps tips like the rib test—if your cat feels meatier than the back of your hand, it’s time for a dechonking plan.