Snap, Crackle and Pop are the cartoon mascots of Kellogg's breakfast cereal, Rice Krispies. The three elf characters were originally designed by illustrator Vernon Grant and made their debut in 1933. The names of the elves are derived from the sounds the cereal makes when milk is poured on it. In the United States and Canada, opinion varies concerning Crackle's occupation, but Snap is always portrayed as a baker and Pop as a marching band leader.
Snap is the oldest of the group. He solves the problems his two brothers create and wears a chef's hat. Crackle is the good-hearted, fun middle child. He's the leader of the group and the smartest of the trio. He gets stuck keeping order between his brothers’ personalities and wears a red-and-white-striped stocking cap. Pop is the clumsy younger child. He plays jokes, doesn’t take things seriously and wears a band leader's hat.
When the guys dress Cleveland Brown as Count Chocula to trick Peter into washing his hand in "Dog Bites Bear", he suggests too late that all of the guys should have dressed up as Snap, Crackle and Pop as a team.