Monkey D. Luffy is the protagonist of Eiichiro Oda's One Piece manga. Hailing from the East Blue, Luffy leads the Straw Hat Pirates crew and aims to become the King of the Pirates. Over the years, Luffy has become one of the strongest people in the world, and much of that is down to his Devil Fruit ability.
Source:https://www.cbr.com/one-piece-luffy-gears-ranked-strength/