No I don't believe that karz. We have survived the apocalypse 3 TIMES ALREADY. From what understanding is; theoretically there has to be one, not THREE.
The Zombie Apocalypse thing was funny, because once I was in a hardware store next to a load of great weapons and thinking about that exact same thing. Pickaxe, Hammer-axe, Two-headed axe, Sledgehammer, Machete...