Dr. Suess hats
Marilyn Manson or Korn shirts
Wallet chains of hemp rope with beads in 'em
Gromits are almost always white. They listen to ICP and Staind. Gromits are by definition teenage boys in the most awkward phase of growth of their lives. But there are female gromits. They usually have acne.
It was to her eternal shame that she lost her virginity to a townie gromit one drunken night when she was fifteen.
He never speaks...but his actions are priceless.
How i marvel when he slaps his head in dismay, whenever Wallace messes it up.
Wallace:"I'm just crackers about cheeeese Gromit"
(all quoted from my memory of the Wallace and Gromit films)