Can somebody explain?!

So... I was chilling and watching some DBD videos when I saw a video with this skin on the thumbnail, I think is a "bone chill" skin, but I don't know the killer. What are your thoughts?

So... I was chilling and watching some DBD videos when I saw a video with this skin on the thumbnail, I think is a "bone chill" skin, but I don't know the killer. What are your thoughts?