jzmajor
Found the pets.
http://s.cdn.gaiaonline.com/images/Gaia_Flash/zomg/S54273/monsters/pet_omg.swf?v?=S54273
OMG
http://s.cdn.gaiaonline.com/images/Gaia_Flash/zomg/S54273/monsters/pet_kiki.swf?v?=S54273
Kiki
It might also be safe to assume that you can block all pets with
http://*.cdn.gaiaonline.com/images/Gaia_Flash/zomg/*/monsters/pet_*.swf
EDIT: They don't seem to be that laggy if there is just one, but when you have lots running around, it might cause some frame rate issues.
FYI: If your blocking all monsters, you block all pets 2 :3 just so you know.