User blog comment:Imperium Guy/Battle of Thermopylae: Alternate Outcome/@comment-30228680-20120401024806/@comment-32656-20120401074649

Accounts of the battle state that it was a man named Ephialtes from the region of ancient Greece called "Trachis." Given that the Greeks use that name in the same manner that Americans use "Benedict Arnold," odds are good it is true.