Tripwire Interactive Forums

Returning enemies:
- Clot (several variants http://media.pcgamer.com/files/2014/05/killingfloor2-clots.jpg)
- Crawler http://www.lightninggamingnews.com/wp-content/uploads/2014/05/Monsters-and-Carnage-steal-the-show-in-these-Killing-Floor-2-screenshots-5-1024x576.jpg
- Gorefast (http://media.pcgamer.com/files/2014/05/kiillingfloor2-nojaw.jpg
- Bloat http://www.lightninggamingnews.com/wp-content/uploads/2014/05/Monsters-and-Carnage-steal-the-show-in-these-Killing-Floor-2-screenshots-14-1024x576.jpg
- Stalker http://www.lightninggamingnews.com/wp-content/uploads/2014/05/Monsters-and-Carnage-steal-the-show-in-these-Killing-Floor-2-screenshots-12-1024x576.jpg
- Fleshpound http://www.lightninggamingnews.com/wp-content/uploads/2014/05/Monsters-and-Carnage-steal-the-show-in-these-Killing-Floor-2-screenshots-8-1024x576.jpg

New enemies
- Cyst (weaker Clot-variant http://media1.gameinformer.com/imagefeed/screenshots/KillingFloor2/KF2-screenshot12.jpg
- Slasher (http://media.pcgamer.com/files/2014/05/killingfloor2-teaser.jpg)

To be identified


Not seen yet:
- Husk
- Scrake
- Patriarch

Mystery solved:
- Siren? (raging/screaming zed in the middle of the horde) http://i.imgur.com/rAJCLqx.jpg
= Slasher. If you watch the zed identification video, you will notice the slasher has 100 % this raging animation

I will update this post as new details get announced