Oloh 80 Elite A H Beast The Storm Peaks Olon<The Chuggernaut> 89-90 A H Humanoid Timeless Isle Olon<The Chuggernaut> 90 A H Humanoid Dread Wastes Olon<The Chuggernaut> 90 A H Humanoid - Oloraak<Fish Merchant> 60 A H Humanoid Shattrath City Olrokk<Flying Trainer> 70 A H Humanoid Shadowmoon Valley Olrun the Battlecaller 80 Elite A H Undead Plaguelands: The Scarlet Enclave Oltarg 31 A H Humanoid Southern Barrens Oltarin Graycloud<Stable Master> 81 A H Humanoid Mount Hyjal Oltarin Graycloud<Stable Master> 81 A H Humanoid Mount Hyjal Olthran Craghelm<Heavy Armor Merchant> 30 A H Humanoid Ironforge Oluf the Violent 69 A H Humanoid Howling Fjord Olum's Spirit 1 A H Humanoid - Oluros<Jewelcrafting Trainer> 75 A H Humanoid Icecrown Olus<Exotic Gear Purveyor> 70 Elite A H Humanoid Isle of Quel'Danas Olut Alegut 80 A H Humanoid The Storm Peaks Olvia<Meat Vendor> 50 A H Humanoid - Olvia<Meat Vendor> 50 A H Humanoid Orgrimmar Olvia<Meat Vendor> 90 A H Humanoid Siege of Orgrimmar Omak'Tul 84 A H Humanoid Twilight Highlands Omakka Wolfbrother 88 A H Humanoid Orgrimmar Omar Gonzalez 90 A H Humanoid Vale of Eternal Blossoms Omar the Test Dragon 1 Elite A H Humanoid - Omar the Test Dragon Gen2 1 A H Dragonkin - Omar's accumulator bunny 1 A H Critter - Omasum Blighthoof 45 A H Humanoid Eastern Plaguelands Omega Stance 85 A H Not specified - Omen ☠ Boss Boss A H Demon Moonglade Omen Event Credit 1 A H Not specified Durotar Omgorn the Lost 48 Rare A H Humanoid Tanaris Ominous Cloud 80 A H Not specified - Ominous Cloud 1 Elite A H Not specified - Ominous Flame 1 A H Non-combat Pet - Ominous Glow 90 A H Not specified Battle on the High Seas Ominous Seedling 90 A H Not specified - Omnia Mage 90 A H Humanoid - Omnia Mage 90 A H Humanoid - Omnia Mage 90 A H Humanoid - Omnia Mage 90 A H Humanoid Townlong Steppes Omnia Priest 90 A H Humanoid - Omnia Priest 89 A H Humanoid Townlong Steppes Omnia Veteran 90 Elite A H Humanoid Isle of Thunder Omnis Grinlok 90 Rare A H Humanoid Dread Wastes Omnotron 88 A H Not specified Blackwing Descent Omor the Unscarred 62-63 Elite A H Demon Hellfire Ramparts Omu Spiritbreeze<Wind Rider Master> 90 Elite A H Humanoid Borean Tundra Omusa Thunderhorn<Wind Rider Master> 65 Elite A H Humanoid Southern Barrens Omusa's Spirit 65 Elite A H Humanoid Southern Barrens Onatay 32 A H Humanoid Southern Barrens Ondani Greatmill<Cooking Trainer> 40 A H Humanoid Durotar