Isn't he based on Shin Akuma/Shin Gouki not Gouken?
Oni's origin concept
Take a good look at these pictures and smash them together. :P Skin color and the bottom sharp teeth come from the Red Aremeer transformation and the fighting stance, horns, and the slight gut are from the SVC Chaos character artwork. Although Oni doesn't have full fledged horns.
Stitchking1 18:49, April 9, 2011 (UTC)