Luffy is the lead role of one piece,so please forgive my boring details about him:
Luffy is a young boy who wishes to become a pirate. Luffy greatly admires Shanks, the leader of a gang of pirates staying in his town, but one day he accidentally eats their spoil of battle, a “Devil Fruit”. The fruit’s effect made it so that Luffy could never swim for the rest of his entire life, but his body also obtained the mysterious power to move like it was rubber! However, immediately after that, he angered Shanks’ enemies, the bandits, and was tossed into the water in the middle of the sea. As he was drowning a monster attacked Luffy, but in a split-second Shanks was there to save him! Ten years later, using Shanks’ straw hat as his trademark, Luffy set out for sea. His great journey to become a pirate had begun.
Searching for companions, the exultant Luffy has set off towards the “Grand Line” with his first crew mate, “Pirate Hunter Zoro”. But, along the way, they became involved in a fight between the Buggy pirate crew and Nami, the Pirate Thief. Luffy, who realizes that Nami has excellent navigation skills and knows that Buggy holds a map to the Grand Line, decides to face off against the Buggy crew! After defeating the Buggy crew’s second-in-command and chief of staff, he and Zoro finally face off against Buggy!