SCP-966 is the first INVISIBLE SCP we've encountered... and what's even worse is that he's been stalking us this whole time... Subscribe Today! ► http://bit.ly/Markiplier Follow my Instagram ► http://instagram.com/markipliergram Follow me on Twitter ► https://twitter.com/markiplier Like me on Facebook ► https://www.facebook.com/markiplier Horror Outro ► https://soundcloud.com/shirkofficial/haunted Happy Outro ► https://soundcloud.com/hielia/minimusicman-crazy-la-paint