the fattest cat in the world lives in Manhattan, New York, USA. the fattest cat in the world, named Sponge Bob, weighs an incredible 30 pounds (about 14 kg), which is the world record of the fattest cat alive until 2012. SpongeBob weighed 33 pounds at his heaviest, then lost three pounds with the help of the staff.
The staff plan to let Bob sponge lose two pounds every month to make him a healthier cat in about eight months. Before Sponge Bob, the world's heaviest cat meow was a 39 pound cat living in Santa Fe, New Mexico, but it died of lung failure in 2012.