Asriel Dreemurr from Undertale.
Done as another pinup for my Patreon in May, I loved this character and did my own take on him. I mixed in some fanon outfit and markings with my own artistic likes and preferences. 3 versions of this: clothed, and 2 nude, are in HD on my Patreon, and I'll post the other up later. Also gonna try to have prints of this at AC!