Lots, but off the top of my head: yuan-ti, vampire (duh), cymrilian, intelligent cloak, anthropomorphic vulture, gnomekin (my current char), self-aware spaceship...
BoB the Dretch
Pal the silver dragon
Moss the undead halfling
Al-Hassan the efreet
Molly the reincarnated (Ratman)
And a henchman FoGaSpHa (Formerly Giant Space Hampster)
Ran a One-shot where the pregens included
Blinkdog with a human (alternate) form per FF.
Janni