Calvin and Hobbes by Bill Watterson for May 18, 1987
Mom: Take you hat off at the dinner table, Calvin. Calvin: Here comes the hurricane. Mom: You cut your hair!! Calvin: No I didn't, Hobbes did. Mom: Why on earth did you cut your own hair?! Look at you! Calvin: I said Hobbes cut it! You think I'd do this?? ...Well, I didn't!