After 6 years I finially finished him.
I followed the great tutorial series from PaintingBuddah with BenKomets.
https://www.youtube.com/watch?v=Km1-vU2-pbk&list=PL0_grDypO1doLoA8jydpbh1Bchz_Ug58P

I'm quite happy with the result and learned a lot.


Edit:
Squeezed out some better pictures of my camera and made notes of the setting this time to stop the try and error xD