You can check out his work over here if you'd like (and I'm sure he appreciates the compliment):
http://forums.terraria.org/index.php?threads/sunz-ok-art-maybe-taking-requests.12111
http://forums.terraria.org/index.php?threads/sunz-ok-art-maybe-taking-requests.12111
But to answer your question, though I'd say I'm a decent artist myself and maintain my own thread, it's not one of mine. What you see is the work of the wonderfully talented @Sunz .