Identify azog and goblin in hobbit?

Azog was a goblin leader that Bullroarer Baggins killed by knocking his head off with a club. The head fell into a rabbit hole thus the story says, Bullroarer invented the sport of Golf.

Bandobras 'Bullroarer' Took killed Golfimbul - leader of the marauding orcs from Mount Gram. Azog was killed by Dain in the battle of Dwarves and Orcs. Azog was the father of Bolg - who led the orcs and wargs in the battle of Five Armies.