List of Evil persons and spirits of Middle-Earth

• Orcs
  
• Spirits,Maiar and Valar
  
• Dragons
  
• Others
  

• Azog
  Great orc,"lord" of Moria,was slain by Dain in battle of Azalnulbizar.
  
• Bolg
  son of Azog,attacked to Erebor,but was slain by Beorn.
  
• Gorbag
  Orc of Morgul,argued with Shagrat about Frodos mithril-mail,and was slain by him
  
• Grishnakh
  Orc of Dark Tower,argued with Ugluk,and saved Merry and Pippin from battle
  of Rohirrim and Orcs.Was slain by unknown rider.
  
• Lugdush
  Uruk of Isengard,company of Ugluk,slain by Eomer
  
• Radbug
  Orc of Cirith Ungol,slayed by Shagrat (by squeezing his eyes out) when he refused to
  obey an order.
  
• Shagrat
  Orc of Dark Tower,Captain of the Tower of Cirith Ungol,
  argued with Gorbag about Frodos mithril-mail and bring it to Morannon.
  
• Snaga
  Orc of Cirith Ungol,survived the fight,but broked his neck when he
  was trying to escape Sam Gamgee.Name could been just an epithet.
  
• Ugluk
  Uruk of Isengard,captured Merry and Pippin,slain by Eomer
  
• Ufthak
  Orc of Modor,captured by Shelob.He was seen,but not set free because
  orcs feared anger of Shelob.

• Balrog of Moria
  Balrog,fled from destruction of Angband and hided under Caradhras.Awakened by dwarfes of
  Moria,lord of Moria in end of the Third Age.Was slain by Gandalf.
  
• Gothmog
  Balrog,high lord of Angband.Slay many human and elfs,until was slain by Ecthelion in Gondolin
  
• Khamul
  Ringwraith,called Black Easterling or Shadow of East.Second on rank of Nazgul,especially scared by
  water.Tried to capture Frodo Baggins in Brandywine Bridge.
• Morgoth
  rebel Vala,called also Melkor,turned to evil and robbed Silmarils.Lord and builder of Utumno
  and Angband.Throwed to Void at the end of First Age
  
• Nazgul
  Nine Ringwraiths,most powerful servants of Sauron.Humans,corrupted by Nine Rings of Men.Destroyed
  when the One Ring was unmade.
  
• Saruman
  one of Istari,the Wizards,called Saruman of Many Colors.Originally Maia,turned to evil and treator,
  and later servant on Sauron.Was slain by his own servant,Grima Wormtongue.
  
• Sauron
  servant of Morgoth,enemy of Middle-Earth in Second and Third Age.Destroyed with the One Ring
  Called also the Nameless,Annatar,Aulendil,Gorthaur the Cruel,the Eye and with many other names.
  
• Thuringwethil
  Maia,corrupted by Morgoth.Messenger between Tol Sirion and Angband.Luthien take his shape
  of great bat from Tol Sirion
  
• the Witch King
  of Angmar,lord of Morgul.Chief servant of Sauron and lord of Nazgul.Was great king,whom Sauron
  gived one of the rings of men.He became wraith,and was slain by Eowyn during the Battle of Pelennor Fields.
  
• Ungoliant
  Spirit of darkness,ally of Morgoth during the destruction of the trees of Valar.Turned against Morgoth
  because silmarils.Was droven off by balrogs,lived in Nan Dungortheb.

• Ancalagon
  First and most powerful of winged dragons.Slayed by Earendil during the
  Great Battle.The fall of his body broke Thangorodrim.Also called Ancalagon the Black.
  
• Glaurung
  Father of Dragons,non-winged and fire-breathing.Killed many elves and humans and ruled the realm of
  Nargothrond many years until was slain by Turin Turambar.
  
• Smaug
  winged and fire-breathing dragon that destroyed and conquered dwarf-realm of Erebor.Slain by Bard.
  Also called Smaug Golden.
  
• Scatha
  Dragon,killed many dwarfes of Ered Mithrin.Slayed by Fram of Eotheod.
  

• Bert,William (Bill) and Tom
  Trolls of Trollshaws,turned to stone by trick of Gandalf
  
• Gollum
  Evil and wicked creature,was hobbit called Smeagol until he captured the One Ring from his friend
  Deagol - by slaying him.Hided 500 years in Hithaeglir,until Bilbo had the Ring.Died when he falled
  to Pit of Doom in Orodruin.
• Grima
  Man of Rohan,called Wormtongue.Advisor of king Theoden and spy of Saruman.Was driven out from
  Rohan and killed in Shire by hobbit archers.
  
• Mouth of Sauron
  Man of Black Numenorean origin,Lietenant of the Tower of Barad-dur.Maybe preserved his life by magic.
  Was slain when Towers of Teeth crubled to his head.He had forgotted his real name.
• Shelob
  Great spider-monster on Cirith Ungol,pass near Minas Morgul.Most powerful descentant on Ungoliant.
  May slain by Sam Gamgee during the quest for Mount Doom.