I love that little dude! 
The only criticism I have is that I think his head is actually "too" big for his body, even if it's in a chibi sort of style, I still think he should be able to balance properly. : P
You may not even have to worry about this once you do what Previous suggested.

The only criticism I have is that I think his head is actually "too" big for his body, even if it's in a chibi sort of style, I still think he should be able to balance properly. : P
You may not even have to worry about this once you do what Previous suggested.