One Piece Chapter 31, page 11: THE TRUTH

Down at the shore, a massive rumbling sound echoes: "GOOOO...". Zoro stands guard with his sword drawn, wondering, "WHAT'S GOING TO COME OUT NOW...". Nearby, Luffy is fast asleep, snoring "ZZZ... ZZZ...", while Usopp lies beaten and exhausted on the ground, laughing weakly, "HEH HEH... YOU'LL ALL BE KILLED......". Standing on the bow of the pirate ship is a man wearing heart-shaped sunglasses, a dark captain's coat, and a striped shirt.