From Muppet Wiki

Gary Cooper is a television writer and producer. He was a co-developer, writer, and associate producer for Big Bag. Cooper also wrote for The Wubbulous World of Dr. Seuss; his episode was nominated for the Writers' Guild of America Award, and he co-authored the songs "Fruzzle Floom Fruit", and "I Thidwick".

Cooper has also written for several other television series, including Dragon Tales and Courage the Cowardly Dog.