He points a gun at Jerry and the grey mouse.

Later, Jerry and the grey mouse are trapped in a bottle.

All at once, tiny gray mice were everywhere, under the picnic table, around the fire ring.

"So I will be a wreck tomorrow at work, and the gray mice will make fun of me."

"The clichéd women who fight for their rights don't have a sense of humor; they're these gray mice," she said.

This grey stuffed mouse would usually be represented as engaged in some activity related to that day's story.

Two fat, gray mice were standing on the countertop, staring back at them.

Killeen remembered the gray mouse that had peered up at him so long ago.

For this example, we use blastocysts from a grey mouse.

I saw an old gray mouse, quite a big fellow.