Started on first chars head.

I've been now working a bit on the head of the first char (named Kenshou) and this is the result. I do not have any clear idea of how he's going to look like and I have no references, so I've been experimenting with different looks.
Any comments and critiques are welcome, however I already know what needs to be done as this is far from finished. Just some work in progress, but it can't hurt to have some critiques in case there's something I don't see.