(W/A/CA) Bill Watterson. Calvin, the six-year-old dirty tricksmeister and master of indignation and his warm, cuddly philosopher sidekick and Hobbes, a tiger whose idea of adventure is to lie on his back by the fire and have his stomach rubbed. The Indispensable Calvin and Hobbes contains a full-color section, as well as the cartoons appearing in The Revenge of the Baby-Sat and Scientific Progress Goes "Boink.