Mark Sheldon Slackmeyer is a character in the comic strip Doonesbury.

The comic strip Doonesbury mentions the memo in a strip, calling it the "Magna Carta of attack politics."

He has already been a subject of the comic strip "Doonesbury" and a guest on Jay Leno's and David Letterman's talk shows.

The comic strip Doonesbury referred to the event as the belated end of the 1970s.

The Record also played an integral role in then-editor in chief Garry Trudeau's creation of his epochal strip Doonesbury.

Uncle Duke is a fictional character in the comic strip Doonesbury by Garry Trudeau.

"What are the initials of the quarterback in the comic strip 'Doonesbury'?"

Jimmy Thudpucker is a fictional character in the comic strip Doonesbury, created by Garry Trudeau.

Andy Lippincott is a fictional character in the comic strip Doonesbury.