"William Henry Jackson Griffith" is a prolific American cartoonist who signs his work "Bill Griffith" and "Griffy". He is best known for his daily comic strip Zippy the Pinhead/Zippy. The popular catchphrase "Are we having fun yet?" is credited to Griffith in Bartlett's Familiar Quotations (16th edition, 1992).If you enjoy these quotes, be sure to check out other famous cartoonists! More Bill Griffith on Wikipedia.