Ah yes, Dishwasher. I hear he actually has a whole folder of RWBY art that he posts up but by bit to bait any potential future developments.

http://dishwasher1910.deviantart.com/gallery/#/d90b2lv

He made that about a year before Season three even aired. Give it take, he at least revealed it before Yang got her her booty [i]handed[/i] to her.