Count Hasimir Fenring is a fictional character in the Dune universe created by Frank Herbert. He is featured in the 1965 science fiction novel Dune by Frank Herbert, and is also a key character in the Prelude to Dune trilogy by Brian Herbert and Kevin J. Anderson. He later appears in the 2008 novel Paul of Dune, and the Caladan Trilogy (2020–2022). Fenring is the longtime friend and advisor to Padishah Emperor Shaddam IV, and a formidable fighter. He serves as Shaddam's agent, emissary, or assassin as necessary. Fenring is married to Bene Gesserit Lady Margot. Source: Wikipedia (en)