Names of Sauron:
~ Annatar (Quenya "Lord of Gifts" -Sil, -UT) Name given to himself Second Age
~ Artano ("High Smith" -UT) Name given to himself Second Age -UT
~ Aulendil ("Servant of Aule" -UT) Name given to himself Second Age -UT
~ Dark Power (-LotR)
~ Enemy (-LotR)
~ Gorthaur the Cruel (Sindarin gor "horror, dread", thaur "abominable, abhorrent" -Sil)
~ Lord of the Rings (-LotR)
~ Necromancer (-LotR, -BoLT2)
~ Sauron (Quenya for "abominable"; "the abhorred"-Sil)
~ Sorceror of Dol Guldur
~ Tevildo Prince of Cats (early cat form that fought Huan -BoLT1)
~ Thauron (early Quenya)
~ Thu the Hunter (early Sindarin)
~ Thu the Necromancer (-BoLT2)
~ Tiberth (Noldorin/Gnomish name for Tevildo, replacing Tifil -BoLT2)
~ Tifil (BoLT2)
References: LotR, Sil, UT, BoLT 1 & 2
http://www.valarguild.org/varda/Tolk...auronNames.htm