Robert Fitzgerald Diggs (or RZA) is an American Grammy winning music producer, author, rapper, and occasional actor, director, and screenwriter. A prominent figure in hip hop music, he is the de facto leader of the Wu-Tang Clan. He has produced almost all of Wu-Tang Clan's albums as well as many Wu-Tang solo and affiliate projects. He subsequently gained attention for his work scoring and acting in films.

He is known for doing the soundtrack for the anime, Afro Samurai.