The Four Horsemen

"The Four Horsemen" - nicknamed after the Biblical Four Horsemen of the Apocalypse - are the four main villains / antagonists of the CoD4 game. To defeat them is the ultimate objective of the singleplayer campaign of the game.

They are:
 * 1) Zakhaev - a Russian old-school ultra-nationalist - leader of the Horsemen
 * 2) Al-Assad - main ally of Zakhaev in the Middle East
 * 3) ? (name not known) - Zakhaev's main advisor / body guard
 * 4) ? (name not known) - Al-Asad's main advisor / body guard