Snap, Crackle and Pop the early 1990s, but later returned to their original elf-like form. Likewise, there was briefly a fourth gnome in the 1950s named Pow who represented the claimed explosive nutritional value of Rice Krispies. Leo Burnett Worldwide assigned Chicago-based cartoonist Don Margolis to do Snap, Crackle and Pop for the Rice Krispies boxes as well as other applications. Davidson Marketing also used him for their Rice Krispies assignments. Don did the three gnomes until the end of 1998. "Snap", "crackle" and "pop" are terms, based on the Rice Krispies mascots, used for the fourth, fifth and sixth time derivatives of position.
Rice Krispies Rice Krispies, also known as Marshmallow Krispies, along with a tropical version, Fruity Marshmallow Krispies) were sold briefly in the United States and Canada. Despite surviving longer in Canada than the United States, they were finally discontinued altogether during the late 1990s. Rice Krispies with strawberry flavor included 1983's Strawberry Krispies and 1997's Strawberry Rice Krispies. Australia had Strawberry Pops, a strawberry version of Rice Bubbles which was discontinued along with other similarly coloured and sweetened foods in the mid-1970s due to concerns about the additives causing cancer. Banana-flavored Rice Krispies, including Banana Bubbles and Banana Krispies, have also been