If Bill Watterson had ever animated 'Calvin and Hobbes,' perhaps this is what it would have looked like. Redditor AdamAnimates used Watterson's drawing as keyframes to make this cartoon.
The cartoon was made using Flash, with Watterson's art dropped into the program and traced over to give the characters movement. Thankfully there's no dialogue, so the voice you've had for Calvin and Hobbes in your head all these years remains intact. Here's the original comic: