The pattern comes from Woolly Toons blogspot. I used a larger hook and heavier weighted yarn, only because it was what I had.
Her mice are cute and reminded me of the rats from the Muppets.
I made a just one change to my mouse and that was to make the inside of the ears pink.
I just crocheted a circle the right sized and stitched them in.
The eyes of my mouse are set too far apart and if I make any more of them I would make them actually touch.