Those shoulders... but hey, it's a Bionicle character, so even while they look weird they're perfectly ok. Still I'd suggest adding something to the sides of the torso to make the T-shape just a little less pronounced. Maybe more of those piston things you used on the legs?
Otherwise looks a bit gappy and rough for modern standards, but I can't deny that this guy looks very G1, which I can only appreciate.
Also more brown! Seems like I should start getting some more parts from bricklink...
Rules and list in post 1
There are again Makuta to be assigned