Sergio Aragonés Domenech is a Spanish/Mexican cartoonist and writer best known for his contributions to Mad magazine and creating the comic book Groo the Wanderer.

Mad is an American humor magazine first published in 1952. It was founded by editor Harvey Kurtzman and publisher William Gaines, launched as a comic book series before it became a magazine. It was widely imitated and influential, affecting satirical media, as well as the cultural landscape of the 20th century, with editor Al Feldstein increasing readership to more than two million during its 1973–1974 circulation peak.