Oliver
Ollie
Oreo
Oscar
Ozzie
Pablo
Pammi
Patches
Paws
Paxton
Penny
Penny
Pepper
Peter
Phelps
Phoebe & Ollie
Picasso
Piper
Pippin
Pluto
Polly
Popi
Poppy
Portia
Prince
Princeton
Pringle
Quinn
QuiQui
Raja
Rambo
Ranger
Ranger
Rascal
Ray
Rebel
Ricky
Riley
Rizzo
Robby
Rocketman
Rocko
Rocky Jr.
Rodney
Rojo
Rory
Rosalea
Rosalind
Rose Marie
