Nami was formerly a member of the Arlong Pirates and initially joined the Straw Hats in order to rob them for her real crew in order to buy back her village from Arlong, but joined the Straw Hats for real after they rebelled against and defeated Arlong.
She’s the navigator of the Straw Hat Pirates and her dream is to make a map of the entire world.
Duke Inuarashi is one of the two rulers of the Mokomo Dukedom, dubbed the “Ruler of Day” as he rules over the Mokomo Dukedom from 6:00 AM to 6:00 PM.
He was once a member of the Whitebeard Pirates and Roger Pirates, serving under Kozuki Oden.
Master Nekomamushi is the guardian of the Whale Forest on Zou, dubbed the “Ruler of Night” as he rules over the Mokomo Dukedom from 6:00 PM to 6:00 AM. He and Inuarashi serve as retainers for the Kozuki Family of Wano Country.
Alongside Inuarashi, he was once a member of the Whitebeard Pirates and Roger Pirates, serving under Kozuki Oden.
PORTGAS D. ACE
Portgas D. Ace was the son of the late Pirate King, Gol D. Roger and his lover, Portgas D. Rouge.
He was the 2nd division commander of the Whitebeard Pirates and one-time captain of the Spade Pirates.
Hunted by the World Government for his lineage, Ace was captured and sentenced to death, which resulted in the Battle of Marineford in an all out clash of powers. Ace was freed, but he sacrificed his life to protect his younger brother from Akainu.
Drake is the son of the Marine-turned-pirate Diez Barrels, and as a young adult was called Dory. When the Donquixote Pirates invaded Barrels’ hideout 13 years ago, he abandoned the Barrels Pirates as they were trapped and massacred.
So Drake became a Marine and rose to the rank of Rear Admiral. However, he later decided to become pirate and the captain of the Drake Pirates.
Currently, he and his crew are affiliated with the Beasts Pirates, the pirate crew led by Kaido, one of the Yonko.
MARSHALL D. TEACH
Marshall D. Teach, also known as Blackbeard, is the admiral of the Blackbeard Pirates and the newest member of the Yonko.
He started out his pirate career as a member of the Whitebeard Pirates‘ 2nd division, until he murdered Thatch, the 4th division commander, for the Yami Yami no Mi and defected.
TRAFALGAR D. WATER LAW
Law is a pirate from North Blue and the captain and doctor of the Heart Pirates. He is one of twelve pirates who are referred to as the “Worst Generation”.
Trafalgar Law is a former member of the Donquixote Pirates. He was once a subordinate whom Doflamingo treated as a younger brother before his defection.
Edward Newgate, more commonly known as “Whitebeard”, was the captain of the Whitebeard Pirates and was known as “The Strongest Man in the World” and “The Man closest to One Piece” after Gol D. Roger’s death. He was a member of the Yonko that ruled over the New World until his death during the Battle of Marineford.
Little is known about Whitebeard’s past before he created the Whitebeard Pirates beyond the fact that he was just another crewmember in another crew going by his real name “Newgate” and that he was not interested in treasure, but instead wanted a family.
Shanks is the captain of the Red Hair Pirates and a member of the Yonko that rule over the New World. He is also a former member of the legendary Roger Pirates, the only group to successfully conquer the Grand Line.
Notably, he is the pirate who inspired Luffy to go on his journey as a pirate, and he found the Gomu Gomu no Mi that was accidentally eaten by Luffy.
Buggy the Star Clown is the captain of the Buggy Pirates as well as the co-leader of the Buggy and Alvida Alliance, and a former apprentice of the Roger Pirates. Shortly after the Battle of Marineford, he became a member of the Shichibukai and the leader of the pirate dispatch organization “Buggy’s Delivery”.
“Soul King” Brook is the musician of the Straw Hat Pirates. He is a Devil Fruit user who ate the Yomi Yomi no Mi, and is undead, having been brought back into a pseudo-immortal state because of its powers.
Brook is the ninth member of the Straw Hat crew, and the eighth to join Luffy’s crew, as well as being the oldest and the tallest member on board.
Brook is a former member of the Rumbar Pirates. They met their end upon entering into the Florian Triangle.
“Knight of the Sea” Jinbe is a whale shark fishman, the second captain of the Sun Pirates after Fisher Tiger, and a former Shichibukai, who attained the position eleven years ago.
Recently Jinbe declared himself as Straw Hat Pirate, making him the ninth member to join Luffy’s crew.