Calvinball is a fairly unique invention in Calvin and Hobbes, but it is somewhat simple to understand the game's otherwise complicated rules.

Calvin & Hobbes creator Bill Watterson refused the widespread merchandising of his characters; as he explained, it "violated ...

All of Watterson’s original Calvin and Hobbes artwork, aside from a few that he kept ... In the years that the strip ran, Watterson fought the Universal Press Syndicate for the rights to his ...