When I was little, the cat brought in a baby chipmunk. She didn't have her eyes open and she hardly had fur. Mom fed her with an eye dropper. We ended up naming her Chesnut She was with us for about four years. She liked getting head scrtiches and liked being held. She was soooo soft! She hibernated every winter too, so for a couple months out of the year we wouldn't see her! (she had a little hamster nest thingy in her cage)

I also kept a grasshopper for a pet. Big guy too, I had him in a little cage and everything. He lived about a year or so.