LOL!! I know this post was preparing us for something on your gallery, but that comment just took me by surprise~! Anyway, if you think about it, any expression someone displays in anger, concentration, or confusion could easily translate to that as well. hehe. ;-)

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Tools :  3dsmax 2015, Daz Studio 4.6, PoserPro 2012, Blender v2.74

System: Pentium QuadCore i7, under Win 8, GeForce GTX 780 / 2GB GPU.