"The Katzenjammer Kids" is a comic strip created by Rudolph Dirks in 1897. It features the mischievous antics of two German immigrant children, Hans and Franz, who often cause trouble for their parents and the local community. The strip is known for its slapstick humor and playful use of language, including a mix of English and German phrases. The comic became one of the first successful American comic strips, influencing the development of the medium. It was later adapted into various forms of media, including animated cartoons and musicals, solidifying its place in popular culture.