Ogath the Mad

Ogath the Mad is an orc quest giver located in Spinebreaker Post in the Hellfire Peninsula. Seeking to command the powers of the void he sends the adventurer to retrieve a void creature's soul shard for him.

Quests

 * The Warp Rifts
 * Void Ridge (quest)
 * From the Abyss

Speculation
Seeing as he's an old orc who wandered through Outland for years searching for the truth of the Void, he might have been a member of the Twilight's Hammer or Shadowmoon clans.