|The Sergeant says, "This article needs more content, so stop messing around and add to it right now!"
They act as the map's uncommon zombie similar to Crawler Zombie from Classified, whilst being more mobile and aggressive. Being hit by one will cause the screen to become bloodied around the edges along with temporarily stopping health regeneration.
Red skinned version of Nosferatu also start to appear on Round 35, or after player awakens one during the Alistair’s Annihilator upgrade step. They are even more agile, not affected by insta-kill, and have a special attack animation that immobilize players for short amount of time.