Zombieman

What they are

Zombiemen are the demonically reanimated corpses of slain military men. Once on your side, they were just as determined as you to gib the hellish horde into red mist. Now transformed into mindless, walking carcasses with guns, their intentions are arguably less noble.

Armed with rifles, they patrol their perimeters much as they did during their mortal lives.

How to frag 'em

Zombiemen are essentially hell's cockroaches, infesting nearly every level. Thankfully, they've got nothing to protect themselves from damage besides their soft flesh.

Individually, they pose almost no threat, and you might as well KO 'em with your fist to save ammo. The problem is they rarely appear alone. If there're too many for the pistol, the shotgun or chaingun will end their misery just fine.