I cannot get giant robots off my brain.
This is Yuusha Ookami in a far more appropriate shape. The hallmarks of the 'brave robot'are all there: he's boxy, and he's the combined of several different vehicles, at least one of which is an animal. In this case, an eagle, two jet powered locomotives and two really wierd earth-movers. The 'toes' are actually the scoops of the diggers.
The wings aren't sketched in very well. I apologize to the wing-lovers out there for that. Perhaps in the near future I'll do another of this thing, with a better view of them.
Scanned in from a small sketchbook, which is why it's smaller and somewhat nosier than usual.