Calvin and Hobbes by Bill Watterson for January 17, 1990
Calvin: Oh no! My duplicate made duplicates! Hi! We're numbers two through six! Hobbes, what am I going to do?! Hobbes: Better tell your mom to put out the extra table settings. Look, you guys have to stay in here and be real quiet! If my mom finds out about this, she'll have a fit! Stay here?! No way. Forget it. I'm the original! You have to do what I say! Oh yeah? Let's put it to a vote.