Grub

Grub is a level 13 quest giver located in a hut just east of the Crossroads at the foot of a mountain, in the Horde-aligned territory of the Barrens. He appears to own the building with Duhng as his cook and Tarban Hearthgrain as his baker.

See List of the Barrens NPCs.

Quests
He starts the quest.

Relatives
It's likely Gruk is his son.