For my own reference, but if you are lending any, let me know!

Parpy (plate)
Pat (leprechaun)
Pearls (46 original)
Peiko (500+)
Phantasm (phantom)
Pinkal (270+)
Pinto (attach)
Pixel (560+)
Plug (50+)
Plugged (plate)
Plynx (520+)
Poani (random plate)
Pongin (700+)
Poop (one of each)
Possessed (break doll - i have carpenter)
Prancer (127+)
Princess (240+)
Pudine (20+)
Puffnut (plate)
Pumpkin (980+)
Pumkitty (666)
Pumpkin Ed (1050+)
Pumpkin wiz (plate)
Pyri (90+)
Quiln (plate)
Rainbow Zax (rainbow)
Rat (800+)
Reginald (random plate)
Rejected (plate)
Reon (stonage 75+)
Robot (robot pet exchange)
Rock (plate)
Rocket (148+)
Rubble (15+)
Rupper (plate)
Ryno (?)