The slogan "Have a break, have a Kit Kat" was created by Donald Gilles at the JWT London advertising agency in 1957 . The phrase cleverly plays on the dual meaning of "break," referring both to taking a rest and the sound of breaking the chocolate bar. It was first used in television advertisements in 1958 and has since become a staple of Kit Kat's marketing campaigns, emphasizing the idea of enjoying a quick snack during a break. The slogan remains iconic and is recognized worldwide. He story of Kit Kat’s slogan “Have a Break” have a chief thinker: Donald Gilles at the JWT London advertising agency in May 1957. The term “Break” has a double meaning that suited it perfectly to the product. “Break” to break (alluding to the characteristic sound when you break the bar) and “Break” to rest. This double meaning would become the backbone of the slogan with “Have a Break”. A year later it began to be used in the br...