"Mopsy" strip reprinted in TV Teens #8 (July 1955); script, pencils, inks, and letters by Gladys Parker
Even so: New Yorker cartoonist George Price did it first. In 1938!
The unsuspecting Gladys Parker had no idea that one day we would be able to look these up on The Complete New Yorker Cartoons CD-ROM. Shame on ya, Gladys!