I have some weird nicknames for mine.. It just kind of comes out LOL. I know there's more but these are the only ones I can think of.
Carson:
Carsadoodler
Biscuit (because when he curls up to sleep he looks like a little biscuit
)
Bubby
Bailey:
Baily Bop
Panda (I swear she looks like a little panda bear)
Muffin puff
Peanut