I must confess that is true too :)
At my known, there is only one rainbow pilou's avatar, it's mine and me :)
If you want see the original size go there (made with Zbrush of course :)
http://www.3dcommune.com/3d/galview.mv?ZBrush+hnisSElqI+1075047342+&v_index=6&nd=1161902302"/img