Looks great! But imo, he kind of looks more like a grunt that you would fight instead of a main character. I think that if he is to be the main character, he should have some more distinct features that would set him apart from enemies.
Want to give some dough back to all those amazing pixel artists? Donations provide prize money for contests, help cover hosting costs and support new initiatives.
I don't think it would be too much of a big deal to keep him. Not all games have to follow the same main character tropes.
Reminds me of Baymax from Big Hero 6.