Doonesbury by Garry Trudeau for August 27, 1977
Transcript:
Cornell: Sure, Z, I'd be happy to look after Duke! Where are you going? Zonker: Back to school, man. I gotta finish up my tan and report to football practice. Cornell: Oh. Well, is there anything special I know about Duke? Zonker: Not really. Except that he becomes catatonic at the sound of John Denver music. Cornell: OK. Now, what do I feed him? Zonker: Only brand name foods. At least until he begins to trust you.