What is "maypo"

Maypo is a brand of maple-flavored oatmeal. It was developed by the Maltex Corporation in Burlington, Vermont, in 1953. It was famous for its television commercials with the catchphrase, " I Want My Maypo" by Marky Maypo in 1956 by the Fletcher, Richards, Calkins & Holden Advertising Agency with the animation created by John Hubley.