Out of all the members of the Straw Hat Pirates, Robin is the most serene and has rarely been seen to act comically. She approaches life and the world at large in a calm and collected manner and is overall one of the least emotional members of the crew. She treats Luffy with more respect than most of the crew, even when he acts impulsively, to the point where she will smile and laugh at his antics rather than berate him. She's stoic and has dark humor.