4 medium ZEDs ( Bloat / Siren / Husk / E.D.A.R).6 lesser ZEDs ( Cyst / Alpha Clot / Slasher / Stalker / Crawler / Gorefast).There are total of 21 different specimens in Killing Floor 2:
While they are sometimes referred to as zombies, they are, in fact, super-soldier clones created by bioengineering company Horzine Biotech's ex-CEO Kevin Clamley, now known as The Patriarch. The Specimens, also called ZEDs, are the main enemies of Killing Floor and Killing Floor 2.