Crests

A crest is a heraldic representation with a symbol (device) placed above a shield on a coat of arms.

A crest is sometimes displayed on a small possession (often a "dogtag" type item) showing honor and pride for your race.

Races

Alliance Alliance	Human	Night elf	Dwarf	Gnome	High Elf
Alliance	Human	Night Elf	Dwarf	Gnome	High Elf
Crest of the Alliance	Icon of Courage	Icon of Wisdom	Icon of the Forge	Icon of Technology	Icon of the Sun
		Draenei TBC	Worgen Cataclysm
		Draenei	Worgen
		Icon of Argus	Icon of the Cursed
		Both Pandaren Mists of Pandaria
		Fail:Pandaren crest.png
Horde Horde	Orc	Tauren	Forsaken	Troll
Horde	Orc	Tauren	Forsaken	Troll
Banner of the Horde	Icon of Battle	Icon of the Earth Mother	Icon of Torment	Icon of Shadows
		Blood Elf TBC	Goblin Cataclysm
		Blood Elf	Goblin
		Icon of Blood	Icon of Destruction

Organizations and other

	Scourge	Cult of the Damned		Mission Failed
	Fail:ScourgeCrest.jpg	Fail:Icon of the Damned.jpg		Fail:Icon of Defeat.jpg
	Icon of the Lich King	Icon of the Damned		Icon of Defeat

Classes

Death Knight WotLK	Druid	Hunter	Mage	Paladin	Priest
Death Knight	Druid	Hunter	Mage	Paladin	Priest
Rogue	Shaman	Warlock	Warrior		Monk Mists of Pandaria
Rogue	Shaman	Warlock	Warrior		Monk