Hmmm let's see.

Smudge:
Smudge-puppy
Smudgers
Smudginaold
Sir Smudgealot
Bone head
buddy boy
Smudgie wudgie
Super Smudge
Hippy

Winter:
Winter-girl
Wint
Princess
Sweat pea
Freak
Psycho
nut job
the odd time there has been Winnie

Tama:
Tama-boy
Tamashii
Tamahome
Wiggle butt
Stinky
brat boy
little boy
Tama baby