The end is nigh. The infected are lurking everywhere and chances of survival are slim. Left 4 Dead focuses on the story of 4 individuals and their harrowing battles against the hordes of the infected that roam the streets. What about other survivors? What would they look like and what kind of deformed monstrosities would they be up against?
He was a factory worker in a chlorine plant when he turned. falling into a chlorine mixture tank, he arose an undead, chemical horror. Now he grows giant chlorine and puss filled "balloons" between the dermal and muscle layers. He plucks these sores from his body and hurls them at the enemy from range. The corrosive puss does mild damage, but corrodes metal and causes a weapon jam that must be cleared immediately. He is slow moving, but from a range is a terrible annoyance to any zombie fighting party. He must be destroyed quickly.