Hobgoblins

Hobgoblins are creatures of Orc-Kind found in the Grey Mountains.The Term designates the larger Orc-Breeds who appeared before the Uruk-Hai.

Hall of fire Magazine
Thee Hall of fire Magazine proposes the Hobgoblins as Orcs of the first Age who were filled with the spirit of Morgoth,They were either unable to survive without their master or became immune to the influence of his servant Sauron and hid away from him in places like the grey mountains, making themselves lords of lesser orc-tribes.