After Usopp joined our heroes journey, they set sail on "Going Merry" across the ocean. Luffy designs the crew's own pirate flag, since they now own a pirate ship. His design was rather sloppy, so Usopp(who happens to be good at painting) re-did it into a more professional look. They now have their own pirate flag logo: A Skull with a straw hat. Since they're the "Straw Hat Pirates". Nami sees an island up ahead, which is called "Legendary Treasure Island". Many pirates visited the island, but never found the treasure. They say that a Guardian God protects the island ...