Cute thread .

Clover:

Punkin
Punkin Pie
Red/ Red dog
Dog
Clovie
Sweetness

+ all of the ones i make up on the spot.

Elvis:

Elvera
Vera
AJ (Astro Junior, after his twin)
Astro .
Phsyco pup
Elv
Fluffy Bum LOL
Skunk
Black dog
Big Dude

Penny:

Penelope Cruze .
Nelly
Penfold
Tubby (And i have stolen Tubitha from Micki )
Princess (Mum calls her that of course, not me though)
Phsyco

Theodore:

The'
Tio
Tiodore
Dora
Dori LOL
Dude
Lil Dude

I know there are plenty more but i cannot think of them at the moment.