Monkey D. Luffy is the main character of the One Piece anime series. Monkey D. Luffy is also known as Straw Hat Luffy or Straw Hat. He is a top fighter, founder, and captain of the Straw Hat Pirates. Luffy dreams of becoming the Pirate King and having the most freedom in the world. He possesses the Devil Fruit abilities, bestowing him with mythical power that the World Government greatly feared would return. A fanart One Piece custom progress bar for YouTube with Monkey D. Luffy.