My biggest one was Cherokee, who weighed 26 lbs at his heaviest. He was
actually very healthy, and lived to be 17. Here's a pic:
http://members.aol.com/sriddles/cherokeesherry.jpg

Also, my grandcat is around 20 lbs., but he has a larger frame and is slimmer
than Cherokee was. Here's a couple of pics:
http://members.aol.com/jjrich0523/jamieorion.jpg
http://members.aol.com/sriddles/o.jpg

Sherry