Oscar's nicknames:
Monkey face
Scabby (Oscar playing with puppies = scabs on head YIKES)
$()$^@ (just kiddin)
Snarf (Snort + gas = Snarf)
I-Scare (given jokingly by the vet tech with tongue in cheek)
Potato head (long story--swallowed whole potato that had to be surgically removed)
Rainman (for the faucet he seems to have coming from his mouth)
Nosey Rosey (can't keep his nose outa anything)
Baby Boy
The Boy
Your brother (how we refer to Oscar when talking to our son/daughter about him)
The hairy son
Osc
Boober
There's others but I can't think of them right now.....