Nice first pixel image. I'm wondering weather some highlights might help give more definition to the shapes but I suppose that depends on what material the mech/creature is made of. Also it is a bit difficult to work out the features of the face but other than that I really like it.

 you should make the animation a tad faster

 Thanks! I went cleaned it up. c:

 Incredibily cool but there are white pixel everwhere when he moves.