Archmage for Humans

Mountain King for Dwarves

Steam Warrior for Gnomes

Warden for Night Elves

Nether Knights (paladins who learned to wield the power of the nether on their exodus through the universe) for Draenei.

Blademaster for Orcs

Spirit Champion for Tauren

Shadow Hunter for Trolls

Dark Ranger or Necromancer for Undead

Blood Mage for Blood Elves