Count Vertigo is a fictional character created by Gerry Conway, Trevor Von Eeden and Vince Colletta as an enemy of Black Canary and later Green Arrow in the DC Comics Universe. First appearing in World's Finest Comics #251 (July 1978), Count Vertigo is the last descendant of the royal family that ruled the small eastern European country of Vlatava that was taken over by the Soviets and later became devastated by the Spectre.