"X of the Shifting Sands" - Exalted with Brood of Nozdormu, Scale of the Sands, and Keepers of Time
"Artificer X" Max all Professions (account wide)
"Auctioneer X" Have 1000 items listed at any one time in the Auction House.
"Defender X" Complete all the "Defend X Bases", "Return X Flags", ect achievements for each BG.
"X the Compulsive" Collect one of each battle pet at Rare quality.
"Lorekeeper X" Complete 9001 quests.