This has been discussed before...but to save you time, Tolkien only mentioned 3 names of the 9 Nazgul throughout his writings.
1.Khamul- An Easterling.
2.Gothmog- Said to be the Luitenant of Morgul, making him second in charge.
3.Witch-King of Angmar- Self explanitory (highest Nazgul)
Next time try the
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