Those are really cute Rere. I agree that they need faces, at the least eyes. If it were me, i would stop there, but that's because I am new to all of this and get overwhelmed easily

.
I think that the "shifty eyes" would be awesome

. IMO, "shifty eyes" would be ones looking off to the side instead of dead on... any shape would do but I think that an almond shape eye would look best on them. Can't wait to see the finished product.