I decided to draw this after reading one SBS that said that Robin and Usopp are the hairdressers of the crew. I believe that Sanji gets his haircut last because he has to cook all the food he can to keep Luffy calm until his hair is done without causing much trouble
((I had to cut it because the pic is too big, but you can visit my dA to see the full version))
ZoSan / SanZo ♥
Portgas D. Ace
This blog (which I am reblogging from and has commented just before me), is kind of really awesome and you should go check it out!