Groo the Wanderer is a fantasy/comedy comic book character created by Sergio Aragonés. His stories are written and drawn by Aragonés, dialogued and edited by Mark Evanier, lettered by Stan Sakai and colored by Tom Luth. Over the years, Groo has been published by Pacific Comics, Eclipse Comics, Marvel Comics, Image Comics and Dark Horse Comics.

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.