Doonesbury by Garry Trudeau for September 28, 1988
Roland: ...And sources close to the "Vice President" have reluctantly revealed taht he is in fact being played now by Bush's evil twin, Skippy! Apparently, the switch was made in New Orleans, shortly after Bush's disastrous selection of Dan Quayle as his running mate...Skippy was installed in the Vice President's suite, and the real George bush was spirited out to the departing yacht of an unidentified campaign supporter! Duke: Damn! He's gotten into the lartes! Man: Sir, the other passengers are starting to suspect.