What fun!

Ok, Allen is:
Big Guy
Orange Guy
Big Balls (Ummm.... my husband gave him that one, you can imagine why)
Fuzz Ball (thats me and has NOTHING to do with my husband's nickname - he's a great big ball of fuzx.)

Pouncer is:
Little Guy
Pouncie
Little Balls (again, my husband... again you might guess why)
Baby
Spaz Cat