William Lennox is a former CIA wetworks operative turned terrorist and the main antagonist of Black. After faking his own death in Cairo, Lennox has apparently become the leader of Seventh Wave. During the game he is pursued by Kellar. Lennox is thought to be killed in the underground bunker in Spetriniv Gulag. However it is reveled that he is not dead; he either survived the explosion or escaped before Kellar even makes it to the bunker.