And maybe I didn't either...

"In 1974, comedian Bill Cosby became the company's pudding spokesperson, and continued to serve as the voice of Jell-O for almost thirty years. Over the course of his tenure as the mouthpiece for the company, he would hawk new products such as frozen Jell-O Pops (in both gelatin and pudding varieties); the new Sugar-Free Jell-O, which replaced D-Zerta in 1984 and was sweetened with NutraSweet; Jell-O Jigglers concentrated gummi snacks; and Sparkling Jell-O, a carbonated version of the dessert touted as the "Champagne of Jell-O." "
(from Wikipedia, font of all useless info, followed closely by Mudcat Cafe, which serves as a useful index of the useless)
I never heard of sparkling Jell-O...