Nico Robin (One Piece)

Nico Robin (ニコ・ロビン Niko Robin) is the archaeologist of the Straw Hat Pirates. She is originally introduced as the Vice President of Baroque Works known as Miss All Sunday before joining up with the Straw Hats. She is the seventh member of the crew, the sixth to join, and (including Nami), is also the second to rejoin, doing so near the end of the Enies Lobby Arc. Robin is also the first member to have been a former antagonist. She ate the Hana Hana no Mi. During the Post-War arc, she became involved with the Revolutionaries for two years. Her dream is to find the Rio Poneglyph which tells the True History. She has a bounty of 80,000,000.

Nico Robin

Tony Tony Chopper (One Piece)

Tony Tony Chopper is the doctor of the Straw Hat Pirates. Chopper is a reindeer that ate a Devil Fruit called the Hito Hito no Mi. He comes from Drum Island, which makes him the only member of the Straw Hat Pirate Crew who was born on the Grand Line. He is the sixth member of the crew and the fifth to join Luffy, as well as being the youngest member on board. He has a bounty of 50 due to being mistaken for the crew's pet.

Tony Tony Chopper

Sanji (One Piece)

Sanji is a pirate and the chef of the Straw Hat Pirates. He is the fifth member of the crew and the fourth to join. Since he was born in North Blue, he is the first Straw Hat not to originate from East Blue. His dream is to find the rumored All Blue, which is where East Blue, West Blue, North Blue, and South Blue meet along with their wildlife, a chef's paradise. He has a bounty of 77,000,000.

Sanji

Usopp (One Piece)

Usopp (ウソップ Usoppu) was born in Syrup Village. He is the sniper of the Straw Hat Pirates and former Captain of the Usopp Pirates. When Usopp was first introduced, he was often (comically) labeled as the "Liar" of the Straw Hat Pirates, due to the "Uso" (うそ) in his name meaning "lie" or "falsehood". He was first mentioned by Yasopp, his father. He is the fourth member of the crew, the third to join, and, including Nami, also the third to rejoin, doing so at the end of the Post-Enies Lobby Arc. He is known with a bounty of 30,000,000 on his head by his alias and alter-ego "Sogeking".

Usopp

Nami (One Piece)

Nami is a pirate and the navigator of the Straw Hat Pirates. She is officially the third member of the crew after Arlong's defeat, and the second to join. She briefly betrays the crew during the Baratie Arc and rejoins at the end of the Arlong Arc after her past and true intentions are revealed. She has a bounty of 16,000,000.

^Nami

Roronoa Zoro (One Piece)

Roronoa Zoro (ロロノア・ ゾロ Roronoa Zoro) is a pirate, former bounty hunter, and one of the main protagonists of One Piece.
He is the first member to join the Straw Hat Pirates and to date is considered the largest threat and most dangerous member in the crew after Luffy. His fame as a master swordsman and his great strength, along with the actions of his captain, sometimes leads others to believe that he must be the true captain and is widely thought to be the first mate by those outside the crew. He is one of the top three fighters in the crew, and his dream is to become the greatest swordsman in the world. Zoro is labeled as one of "The Eleven Supernovas", the eleven rookie pirates with bounties over 100,000,000 to have reached the Red Line, with a current bounty of 120,000,000.

Roronoa Zoro

Monkey D. Luffy (One Piece)

Monkey D. Luffy (モンキー･D･ルフィ Monkī D. Rufi) is a pirate and the main protagonist of the anime and manga, One Piece. He is the son of the Revolutionary Army's commander, Monkey D. Dragon, the grandson of the famed Marine, Monkey D. Garp, the foster son of a mountain bandit, Curly Dadan, and the adopted brother of the late "Fire Fist" Portgas D. Ace and Sabo. His life long goal is to become the Pirate King by finding the legendary treasure left behind by the Pirate King, Gol D. Roger. He believes that being Pirate King means one has the most freedom in the world. He has eaten the Gomu Gomu no Mi. As the founder and captain of the Straw Hat Pirates, he is the first member that makes up the crew, as well as one of its top three fighters.

Monkey D. Luffy