Creature Breeder

Cute! You can't dress the creatures but you can buy stuff for your farm and arrange it, lots of fun! www.creaturebreeder.com

Neopets

Take care of your pet, buy it food, toys and clothes with Neopoints that you can be earn by playing games! www.neopets.com

Howrse

Very realistic horse and pony breeding game. There is no dress-up game as such, but if you take good care of your horse you can eventually saddle her up! www.howrse.com

Pony Academy

Dress, feed, wash and take good care of your poney. The more your play, the more your poney can do! http://en.poney-academy.com

Moshi Monsters

The least frightening monsters I've ever seen! Dress them, feed them and decorate their rooms! www.moshimonsters.com