Trying to find an old skin

I've been trying to search for this skin for awhile and can't find it, I remember I found it on the osuck website and possibly on one of the contest pages, but not 100% sure.

https://preview.redd.it/tlslle9yb9bh1.png?width=1607&format=png&auto=webp&s=5b494dad9825c0d8f5f8c32a22a628685e7b1cb4