Fattest
The worlds fattest cat was a neutered male tabby named "Himmey" When Himmey died of respiratory failure he weighed a whopping 46 lbs 15.5 ounces! He had a 15 inch neck, was 38 inches long, and had a 33 inch waist.
RE: http://rulingcatsanddogs.com/facts-cat- ... eakers.htm