My daughter actually saw this first. “Mommy, who is trapped inside the rock?” To me it looks like a swamp monster or lizard alien on one of those cheaply made cartoon shows. I’m thinking Scooby Doo,* or something like that.
I think it looks even more excellent juxtaposed with her adorable shoes and socks. Notice that they are on the wrong feet because she can do it herself! I say, I prefer scary faces trapped in rocks over ladies licking ice cream cones on picnic tables.
*See the bottom of the linked-to page.