The Straw Hats are a pirate crew of ten people. Their captain, Monkey D Luffy has the power of the Gumo Gumo No Mi. The crew mates are Luffy, Zoro, Nami, Usopp, Sanji, Chopper, Robin, Franky, Brook and Jimbei User is the youngest ruler in the world and is around seven years old. They rule one of the biggest islands in the Grand Line, which is the island that the Straw Hats arrived at.