I'll have to update this with pictures but:

Bouncer is Pudge Cat as she used to be over 20 pounds but has trimmed a little, and Princess.

Zingo is Zingz, Zingmonster and the Purr Monster as he has the loudest purr!

Oatmeal is Oatster, not sure why

Hunter is Squeaks as he makes these cute these cute little squeaky chirpy sounds.

Scooter is 'Cooter, just because, and Scoot Scoot

Turbo is Tubber or Tub Tubz