It took a while and it certainly could be better, but finally I decided it's good enough. I present you, the Dakkamaster!
Now, before you give me too much credit, I did not do this without help. What I do is, I take a good screenshot, load it up on my tablet(open with Sketchbook app) then I redraw the mech and repaint it. The result is a caricaturized appearance which I find very pleasing. Here's the original screenshot.