From KF;

"Also drawn during the recording of the first episode of Drawing under the Influence.

According to the chat room at the time of streaming, this is a Sanicorn. With a propeller instead of hind legs."

YT link (somewhat nsfw): https://www.youtube.com/watch?v=HW1lfafHxpA
dA link: http://daffydwagstaff.deviantart.com/art/Taking-care-of-your-Unicorn-540354364
FA link: http://www.furaffinity.net/view/16860617/