Analysis of information sources in references of the Wikipedia article "Nazgûl" in English language version.
She also performed with Naked Spots Dance, another punk band. (It was probably good practice for what "Rings" fans know as the "Nazgul scream," a high-pitched screech made by Tolkien's evil Ringwraiths and performed by Ms. Walsh. "I'm a very good screamer," she said by telephone. "It's not that I scream at people. But I can scream. I went into the room with the mike and let out all the stress and the horror and the terror of making those films.")
To better distinguish him from his fellow Nazgul, the Witch-king was given additional armor and a large, pointed helm. In the novels, whenever his hood is thrown back, he is described as wearing a king's crown, which floats atop his invisible head and his burning eyes of fire.
Bakshi's Nazgúl shamble and limp like zombies, giving them a truly creepy feeling. Understandably unsettled, the hobbits decide to skip Buckland—and also the Old Forest, Tom Bombadil's house, and the Barrow-downs—and head straight to The Prancing Pony in Bree.
Now, I should add that while eight of the nine Nazgûl are skeletons with beautiful heads of white hair riding on flying horses, the Witch-king is more traditionally invisible. ... The Witch-king does finally appear, riding a decently dragonish fell beast rather than a Pegasus.
