Rolbog

Rolbog was a huge hobgoblin from the Misty Mountains.

Origins
Son of a chieftain from Gundabad and a female brute from Moria, Rolbog is a mix of Gundabad and Moria Orcs.

Second Age
Due to his strenght, he became one of the chieftains from Moria, rulling the most deep mines and halls of the dwarven stronghold. His father Labalg was killed during a war with the dwarven people and his mother was poisoned by a wraith who lived in Moria. Rolbog led his goblins in many small fights with other goblins, as well as major battles with men and dwarves.

Third Age
Rolbog led 3 legions of goblins in the Battle of Azanulbizar with his fellow Azog and Ogrod. He engaged a dwarf warrior named Dori in fight... Dori impaled his eye. Rolbog survived but was heavily wounded.

Fourth Age
He led many legions of goblins in the Battle of Redhorn. During the battle, dwarf lord Grolin threw a chain in Rolbog's neck and threw the other side of the chain on a huge stone statue. The statue broke during the process and fell into the deep pits of redhorn... With Rolbog. The dwarven army assumed that he was killed in the fall. But it remains unknown.