 Anirul is referred to only three times in Herbert's 1965 novel "Dune", and only once by name, but is a major character in the "Prelude to Dune" prequel trilogy (1999–2001) by Brian Herbert and Kevin J. Anderson.In "" (1999), Anirul is described as having "short bronze-brown hair," and it is said that her "features were long and narrow, giving her a doelike face, but her large eyes had a depth of millennia in them.