Snap, Crackle and Pop The first derivative of position with respect to time is velocity, the second is acceleration, and the third is jerk. The fourth is snap, or jounce, while the fifth and sixth are sometimes called crackle and pop. Snap, Crackle and Pop Snap, Crackle and Pop are the cartoon mascots of Kellogg's crisped-rice breakfast cereal Rice Krispies. The gnomic elves characters were originally designed by illustrator Vernon Grant in the early 1930s. The names are an onomatopoeia and were derived from a Rice Krispies radio ad: The first character appeared on the product's packaging in 1933, Grant added two more and
Cocoa Krispies Italy, Greece, Sweden, Belgium, South Africa, Kenya, Uganda, Ukraine, Botswana, Hong Kong, Lebanon, Australia, Turkey and Republic of Korea and as Choco Pops in France. Later in the 1960s, the name was changed to Coco Krispies, but subsequently reverted to Coco Pops. The cereal was available in Canada for a time, but was discontinued at some point in the early 1990s. Instead, Kellogg's sells a variant called Rice Krispies Cocoa, which is simply Rice Krispies with a light chocolate flavor. Several spin off cereals using the "Coco Pops" name, such as Caramel Flavoured Coco Pops, Coco Pops Crunchers, Coco Chex,