Living with our six-year-old son Marc (the same age as Calvin of the Calvin and Hobbes cartoon strips) gives me a better appreciation of the realism underlying Watterson's art.
Our boy is not American, he doesn't go around with a stuffed tiger, and he's not prejudiced against girls. Nevertheless, the similarity to Calvin is occasionally striking, especially at mealtimes, when he's inclined to go off into flights of fantasy and comedy routines — anything rather than eat his food.
Reading Calvin and Hobbes is a good preparation for parenthood. Though you have to wait some years for your baby to grow into the role.