Rice Krispies when milk is added to the bowl. The onomatopoeic noises differ by country and language: In 1938 and 1939, Vernon Grant, the illustrator who created Snap, Crackle and Pop!, produced a set of six illustrations of Mother Goose themes including Humpty Dumpty, Jack and Jill, Jack Be Nimble, Little Jack Horner, Peter Peter Pumpkin Eater, and Twinkle Twinkle Little Star that were offered as premiums in exchange for two Rice Krispies boxtops and a three-cent stamp. In 2004 packets of Pop Rocks were packed inside specially marked boxes of Rice Krispies. Television commercials showed the candy exciting Pop!, who shouts
Cocoa Krispies Coco Rocks, Coco Pops Straws, Coco Pops Moon & Stars, Coco Pops Choc-N-Roll and Coco Pops Croc Prints (shaped like Crafty Croc's feet) have also been released by Kellogg's in some countries. Chocos were introduced in some countries as Coco Pops Mega Munchers. A chocolate flavor porridge variant had been available in the end of 2000s called Coco Pops Porridge, but didn't last long. Since 2014, they have been brought back. In February 1998, the British arm of Kellogg's renamed the brand in the country Choco Krispies, so it would be similar to the way the product was branded in