Snap, Crackle and Pop Redirected from Crackle (physics)

Snap, Crackle, and Pop
Snap Crackle Pop (old design).jpg
An older version of the three mascots
First appearance1933
Voiced bySnap:
Daws Butler
Dallas McKennon
Len Dresslar
Chris Evans
Andy Hirsch
Paul Winchell
Dallas McKennon
Frank Welker
Keith Chegwin
Chad Doreck
Danny Cooksey
Kel Mitchell
Don Messick
Dallas McKennon
Eddie Deezen
Dino Andrade
Mark Ballou
In-universe information
OccupationMascots of Rice Krispies

Snap, Crackle and Pop are the cartoon mascots of Kellogg's crisped-rice breakfast cereal Rice Krispies.


The elf-like[1] characters were originally designed by illustrator Vernon Grant in the early 1930s. The names are onomatopoeia and were derived from a Rice Krispies radio ad:

Listen to the fairy song of health, the merry chorus sung by Kellogg's Rice Krispies as they merrily snap, crackle and pop in a bowl of milk. If you've never heard food talking, now is your chance.

The first character appeared on the product's packaging in 1933. Grant added two more and named the trio Snap, Crackle and Pop.[1] Snap is usually portrayed wearing a chef's toque. Crackle often is shown wearing a red (or striped) tomte's tuque or "sleeping cap", and Pop often wears a drum major's shako, but is sometimes also seen with a chef's toque, or an odd combination of both a shako and a toque.[1] Corporate promotional material describes their relationship as resembling that of brothers. Snap is the oldest and is known as a problem solver, Crackle is an unsure "middle child" and known as a jokester, and Pop is a mischievous youngster and the center of attention.[1][2] There was briefly a fourth gnome in the 1950s named Pow who represented the claimed explosive nutritional value of Rice Krispies.[3][4][5]

Nose art on a Boeing B-17 Flying Fortress depicting Snap, Crackle and Pop

From their original design as elderly gnomes[6] with large noses, ears and hats, Snap, Crackle and Pop were reimagined with younger and more proportional features in 1949. Some time after 1955, their gnome-like oversized ears became more proportional yet pointed, as seen in common portrayals of elves. They first appeared as animated characters in 1959, targeted toward such children's shows as The Howdy Doody Show.[1] The voices of the original gnomes[1] were provided by Daws Butler, Paul Winchell and Don Messick. More recent voices have included Chris Evans, Keith Chegwin, Chad Doreck, Eddie Deezen, Thom Adcox-Hernandez and Dino Andrade. As of 2009, the three gnomes[1] are voiced by Andy Hirsch (Snap), Danny Cooksey (Crackle) and Mark Ballou (Pop).[citation needed]

The trio were used in conservation messages during World War II and briefly re-imagined as superheroes in the early 1990s, but later returned to their original elf-like form. Likewise, there was briefly a fourth gnome[1] 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.[citation needed] Davidson Marketing also used him for their Rice Krispies assignments. Don did the three gnomes[1] until the end of 1998.

On 17 June 2020, former UK Labour politician Fiona Onasanya questioned why popular breakfast cereal Coco Pops was promoted with a monkey, while Rice Krispies used the white-skinned Snap, Crackle and Pop.[7]


In physics, the terms snap, crackle and pop are sometimes used to describe the fourth, fifth and sixth time derivatives of position.[8][9][10] The first derivative of position with respect to time is velocity, the second is acceleration, and the third is jerk.


  1. ^ a b c d e f g h i Kellogg's."Snap! Crackle! Pop!" 2007. Accessed 20 August 2010.
  2. ^ "Rice Krispies Cereal Speaks to You" (PDF). Retrieved 31 December 2016.
  3. ^ Smith, K. Annabelle. "The Untold Tale of Pow!, the Fourth Rice Krispies Elf". Smithsonian. Retrieved 12 June 2019.
  4. ^ "4 classic cereal characters: where are they now?". The List TV. 24 February 2017. Retrieved 12 June 2019.
  5. ^ The mag. Mental_floss Magazine "A Second Helping of Cereal Facts." Archived 13 September 2008 at the Wayback Machine 2008. Accessed 20 August 2010.
  6. ^ RiceKrispies.com Snap, Crackle & Pop: Everyone's Favorite Breakfast Buddies Through The Years
  7. ^ ‘Kellogg’s Cereal Boxes “racist” Suggests Ex-MP’. BBC News, 16 June 2020, sec. Cambridgeshire. https://www.bbc.com/news/uk-england-cambridgeshire-53060894.
  8. ^ Visser, Matt (31 March 2004). "Jerk, snap and the cosmological equation of state". Classical and Quantum Gravity. 21 (11): 2603–2616. arXiv:gr-qc/0309109. Bibcode:2004CQGra..21.2603V. doi:10.1088/0264-9381/21/11/006. ISSN 0264-9381. Snap [the fourth time derivative] is also sometimes called jounce. The fifth and sixth time derivatives are sometimes somewhat facetiously referred to as crackle and pop.
  9. ^ Gragert, Stephanie (November 1998). "What is the term used for the third derivative of position?". Usenet Physics and Relativity FAQ. Math Dept., University of California, Riverside. Retrieved 24 October 2015.
  10. ^ Andrew F. Rex; Martin Jackson (2000). Integrated Physics and Calculus. Addison Wesley Longman. ISBN 978-0-201-47397-1.

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