Yes, this is exactly what it looks like and says. Ferrets. They are fattybutts. More doodles trying to help me draw.
It makes me sadface that I have not seen more people picking ferrets for subjects of pudge, as their body structure makes 'em just so perfectly squishy and nearly entirely tummy that way. I'd like to do some anthro ones at some point after I get a commish or two out of the way.

If you don't believe me that ferrets can be tubby, have a few links to some adorable photos of just that:
http://www.myfunnypets.net/wp-content/uploads/2010/09/ferret-5.jpg
http://becd.net/wp/wp-content/uploads/2008/04/04302008_chubbyferret.jpg
http://img.photobucket.com/albums/v319/withloveandsqlr/photos/woozels/IMG_5545.jpg
My pet ferret I used to have was a pudgester like these guys, too. XD