Doonesbury by Garry Trudeau for January 18, 1971
Transcript:
Mike: Well, that about does it! What do you think, mirror? Shaven, brushed, and washed! Pretty handsome, wouldn't you say? Mirror: Well, not really, Michael. Your hair is still kinky, your nose is pointed, and your face is one big wrinkle-patch. B.D.: Hey, mirror! DOn't forget to mention the you-know-whats! Mirror: Oh, yes, Mike, about your complexion...
first appearance of the real mike