Optimistic and generally good-hearted, he is not as dimwitted as many believe him to be, and he often demonstrates more understanding than the other characters expect.He has a group friend included, Nami, Zoro, Usopp and Sanji. Luffy has two brothers named Ace and Sabo. Luffy is usually recognizable by his straw hat, a gift from "Red-Haired" Shanks. In his early childhood, he wears a white shirt and blue shorts. The character has a scar under his left eye from stabbing.