I think that there should be some tremors snpcs, because someone decided to make a bunch of models and animations in a page for people who make snpcs. Here is the link I found that shows the animations in play. https://facepunch.com/showthread.php?t=1309275 Also here is the place to download the models http://www.mediafire.com/download/blnctm95tm84p7y/Tremors+assets.7z