Well, a domestic cat that begins with a p could be a Persian or perhaps a Pixie-bob and a wild cat that begins with a p could be a puma.
Pet
Python is a snake. It begins with the letter P.
I can find none that start with the letter P.
PATHFINDER
Prius, by Toyota. Or Porsche.
peyote
peesalot
Ramesh Powar??
Pretty Horse Contest
some human names from starting letter p
persian
Passaic