Interjection
howdy doody
(informal, dated) An informal greeting.
Henson was an innovator from the start: At a time when many TV puppets relied on wood and strings, he opted for softer materials like felt and foam. This enabled his creations to express a range of emotions, unlike, say, an eternally grinning Howdy Doody. Jim Henson
Howdy Doody that looks fab. Source: Internet
To avoid confusion, the syndicate settled on the name Peanuts, after the peanut gallery featured in the Howdy Doody TV show. citation Peanuts was a title Schulz always disliked. Source: Internet