Doonesbury by Garry Trudeau for August 03, 1978
Mark: Barkeeper? Hey, barkeep! Man: Oh! Oh! Don't tell me! Don't tell me! Mark: Tell you what? Man: You're somebody, aren't you? Mark: I like to think so. Man: I knew it! I knew it! I knew you were somebody! Mark: Aren't you? Man: No, I'm nobody. But I am thinking of getting an agent.