Monkey D. Luffy is a fictional character from Eiichiro Oda's manga and anime One Piece. He grows up in Foosha Village in the East Blue, where the pirate Shanks gives him a straw hat that becomes his most treasured possession. After eating a Devil Fruit that gives his body the properties of rubber, he sets out to sail the seas and become the Pirate King.

Luffy is the captain of the Straw Hat Pirates, a crew made up of friends with very different skills, including a swordsman, a navigator, a cook and a sniper. He is known for his carefree grin, his enormous appetite and his loyalty to the people he cares about. His drive is the search for the One Piece treasure and the freedom of the sea, and his sworn brothers Ace and Sabo are central to his story.