to me the whole face seems off
http://fc09.deviantart.net/fs71/i/2013/308/4/3/sanics_lost_worl_by_bobthegigglemaestro-d6t0o6l.png
Something about him feels kind of off, not in a shady character way, but not quite human. It's probably his odd gaze.
It might be the fact that he is the one who cooks KnocksI dunno