Pets

Evil Sheep Clones
The title says it all.
http://www.geocities.com/owlangel96/Evil_Sheep_Clones.html

Pets or Food
Find a new friend, or a delicious and exotic meal. Spoof e-commerce site.
http://www.petsorfood.com

Wastiff
Smurf Hoffer's mailing list for four-legged friends with thumbs down.
http://www.badpoodle.com/wastiff_list

Yuckles
Dancing pigs, sound effects for your cat, dog haiki and other topics.
http://www.yuckles.com/