Well done :) you have a certain style that is appealing yet simplistic. Anatomy could use some work however, the line work and shading has this cool Matt feel to it. Keep it up man, I'd like to see more from you.
Let see what you are up to...holy crap man! This is art not a sport, lay off the roids! We can't have you going berserk in the middle of art class endangering other artist.