Azog

Azog, also known as the Defiler, is one of the main antagonists of The Hobbit trilogy and the main antagonist in The Battle of the Five Armies.

Azog first appeared in TA 2799 where he battled both Thror and his grandson, Thorin, but was defeated by Oakenshield when his arm was cut off by the dwarf prince in battle. For years he sulked in the dark plotting his revenge and forming an alliance with the mysterious Necromancer.

He was killed in the Battle of the Five Armies by Thorin Oakenshield, who died shortly after.

His book counterpart was not alive in the time of The Hobbit.

Early life
Azog was born in Moria and later had a mate who fathered his son, Bolg. After Smaug took the Lonely Kingdom from Thror's family, Azog had gotten to Moria first. During the Battle of Moria, Azog fights Thror, the dwarf king before he beheads the King. Thorin, seeing this confronts the Orc. During the skirmish, Thorin cuts off Azog's battling arm. Too wounded to continue, Azog is dragged back to Moria.

Sometime later, he developes a

Physical appearance
Azog was a very tall orc, at least seven feet tall. He also had elf ears, but it is unknown if he was once an Elf and turned into an orc, or if he was born an Orc himself.

Trivia

 * His wife or mate is absent in the films, so it is unknown whatever happened to Bolg's mother.
 * In the books, he is long gone, being killed by Thror's great-nephew, Dain Ironfoot. Instead, he is also replaced by Bolg as the main antagonist for the death of his father.