Rice Krispies Rice Krispies Rice Krispies (also known as Rice Bubbles in Australia and New Zealand) is a breakfast cereal marketed by Kellogg's in 1927 and released to the public in 1928. Rice Krispies are made of crisped rice (rice and sugar paste that is formed into rice shapes or "berries", cooked, dried and toasted), and expand forming very thin and hollowed out walls that are crunchy and crisp. When milk is added to the cereal the walls tend to collapse, creating the "Snap, crackle and pop" sounds. Rice Krispies cereal has a long advertising history, with the elf cartoon characters Snap,
Cocoa Krispies Simmo. It became popular quickly, with a short stint on the face of the merchandise and packaging for Cocoa Krispies. The Simmo mascot featured on various materials for around about three months. Simmo also starred in an advert for the company in 1986, alongside a female companion who only appeared once named "Heapo", a cartoon hippopotamus. More recent advertisements (2009) in the United Kingdom have opted away from using Coco and his friends opting for things such as dancing milkmen and astronauts. Coco is still present on the box of the cereal and at the end of the advertisement but