present:
Zeus the dog (Staffordshire terrier)
Smudge the cat (Turkish van) Although this is her real name, she is often called Pussy, Fat Cat, Pus Pus, Wench when she is naughty.
Past too many to mention but ones that come to mind
Cats - Taxi, Sarah, Little Cat, Tiger, Flea, Casper, Tattoo
Dogs - Molly, Missy, Ole Dog, Shadow, Tramp, Kristie, Tina, Charlotte, Carla
Horses - Mate, Buddy, Silver, Ching, Kelly, Nala, Leo
Feret - Cassidy
Sheep - Cider (as in, side of lamb...syder)