Evil Ryu

Evil Ryu is an evil version of Ryu recreated many times. It is really just a recolored Ryu with effects that is slightly cheaper than the regular one, but it has some different hypers/specials than the regular Ryu. One version of him was created by Reu.

Reu's version of Evil Ryu
Reu's version is problably the most famous one because when people are looking on his website to find Dragon Claw, they seem to stumble upon his other 2 characters, Evil Ken and Evil Ryu. So it is possible that Reu's version of Evil Ryu is the most downloaded.