Not great...Excellent !
It could have ended in another way to maybe an amazing sequel. I would give him a name, but like this is a little animation, i suppose you shouldn't. I don't quite understand the forms disappearing in the end ( maybe the ghosts of his fallen comrades ? ), but, then again, you made a great...no, excellent work, and i would love to see more of this, your drawings are great.
I will miss the little guy, rest in peace...