Nico robin

Nico Robin

Nico Robin is the archeologist of the crew, She is the seventh member to join to the crewn, when she first appear in the history she was the vice president of Baroque Works. after help Luffy to defeat Crocodile she get into in the crew. She born in one island where live a lot of archeologist, in this island the archeologist studyed one died lenguage ( the language of phonegliphs ), phonegliphs is giant squares of rock that have a mensage righten in a extrange lenguage, phonegliphs usually have mensanges of one war that happen 800 years ago, when Robin was only 8 years old this island was attacked by Navy, Nany wanted to destroy the island and all the phonegliphs, fortunaly Robin escaped a live fron the island, and until nowadays  Robyn stay fleeing for Navy.

Tony Tony Chopper

          Chopper is the doctor of the crewn, He was the sixth member to join to Luffy. Chopper is a reinder that ate one devil fruit, since this day luffy became a hibrid between humans and reinders, Chopper born in one could island in the Grand Line, in this island everyone treats he like a monster, the only one that treats he different is the doctor of the island, one day the doctor welcomed Chopper and started to take care of he, the doctor die for one sick one day, and since this day Chopper started to live with a realy old woman in the top of one mountain in the island. The king of this island is realy corrupt, and do bad things for a lot of people, one day Luffy figh against the King to save the island, Luffy was injured and Chopper take care of he, in this day Chopper get into the crewn.

Franky

Franky is the shipwright for the crewn, later he becomes a member of the crew he was the leader of Franky Family, a group os ships dismantlers. In the first time Franky was considered a enemy of Luffy, but he helped Luffy to saved Robin when the Navy captured her, until this day Franky are a member of the crew. Franky is the oldest member of the crewn, he is 36 years old, he was addopt by a fish-man when he was only one child , this fish-man teached Franky how to make ships and repare it, he learn how to use machines to, and substituted some parts of his body with metal members, nowadays he is considered a cyborg.

Brocky

                 Brook is the musician of the Straw Hat Pirates. He is a skeleton that the Straw Hats found on board of a ghost ship after drifting into the Florian Triangle. He ate the devil  of ressuction, and is undead, having been brought back into a pseudo-immortal state because of its powers. He is the ninth member of the crew. He is also one of the two swordsmen onboard their current SHIP, with the other being Roronoa Zoro. He fills the role of the long-awaited musician that Luffy had wanted for his crew ever since his journey began.