Cause Celebrity

October, 1988

Joe Martin has always been prolific. By the time he was 20, he had four children; now, at 41, the Wisconsin-based cartoonist produces three daily strips that appear in 300 newspapers: Willy'n Ethel, Porterfield and the two-year-old, highly successful Mister Boffo. "I invent 24 jokes a week, 104 a month, or 1248 a year," Martin says, casually adding that he's also scripting a Mister Boffo movie and building a home television studio. Martin, who comes up with his jokes by walking aimless...