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At the Battle of the Pelennor Fields, Éowyn challenges him with the words: "Begone, foul dwimmerlaik, lord of carrion!" It is supposed that the word dwimmerlaik is formed from the Old English words "gedwimer" (sorcery), and "lic" (corpse, as in 'lich'); in Rohanese the term is said to mean 'spectre' or 'work of necromancy'. Brent McIntyre is officially credited as the Witch-king in The Fellowship of the Ring. He stabbed Frodo. Wayne G. Hammond and Christina Scull (eds), The Lord of the Rings: A Reader's Companion, “ Mount Doom”
Wayne G. Hammond and Christina Scull (eds), The Lord of the Rings: A Reader's Companion, citing from a manuscript of The Hunt for the Ring, p. 262 J.R.R. Tolkien, The Lord of the Rings, Appendix A, "The Númenorean Kings", "Gondor and the Heirs of Anárion", "The Stewards", entry for Steward Boromir, p. 1053
J.R.R. Tolkien, The Lord of the Rings, The Return of the King, " The Siege of Gondor", p. 817 and p. 829
Wayne G. Hammond and Christina Scull (eds), The Lord of the Rings: A Reader's Companion, citing from The Hunt for the Ring, pp. 180-1 Gavin Newton: Up until now, I haven’t had many chances to create the Evil-doers in Middle-earth, so being able to sink my teeth into one of the most important bad guys of the whole story was a mouth-watering prospect.
J.R.R. Tolkien, The Lord of the Rings, The Return of the King, " The Battle of the Pelennor Fields" An unidentified extra portrayed the "King of Men" in the prologue. He was chosen to be the Witch-king simply because he was the smallest of the nine.