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. Knowing the danger ahead, Luffy is willing to spread his music world-wide. Description. Luffy is usually recognizable by his straw hat. In his early childhood, he wears a white shirt and blue shorts. The character has a scar under his left eye. He’s from one piece, so he’s exactly like the character in the anime.