I'd like to see something like the World Of Darkness done with critters. It would be hilarious to see a gothic-punk take on this genre.

Vampires: bats (maybe bloodsucking insects for Tzmisce and Nosferatu)
Werewolf: wolves (duh)
Mage: All sorts of birds
Changeling: large variety of colorful insects like butterflies, ladybugs, fireflies...
Hunter: domestic dogs and cats

No idea of which animals to use for wraiths, demons and mummies, though