The puffs on his jacket need to be more yellow, the shin-wraps need just a little bit of blue, the belt needs to be the same colour as the shin-wraps, his hair needs to be just a tad shorter, and now he just looks like a happy chappy, rather than smirky dirky (if that makes any sense). His mouth needs to be like __/ (but not that steep) as opposed to ___ or \__/.