Doonesbury by Garry Trudeau for July 01, 1992
Transcript:
Woman: So what's your son's name? Joanie: Jeff. Woman: You call him Jeffrey, I hope. Our child is named Christopher, but we wouldn't dream of calling him Chris! Joanie: Jeff's a little boy. Nicknames are easier, and, some might add, a tad less pretentious. Woman: Now, Joan... It's Joan, isn't it? Joanie: Joanie.