There are endless of them. (and there not all about expressive snowmen) there are books filled with them.
Plus, If you don't get it, (which it's kind of obvious) Calvin and Hobbes built the snowman incident. And e does it all the time. So... his parents think he had something wrong with him.
But the kid speaks Shakespere and is 6! Also, you can see how his imagination brings Hobbes to life and when Hobbes is in sight of others, he's just a stuffed tiger.
-Martine