Wild Zombie Vice Captain of the Moria Pirates. Third to the command of the Wild Zombie after Perona and Kumashi. He tried to take revenge for Captain Kumashi's death by Usopp's hand but he was deffeated by his Impact Dial.

A Surprise Zombie of the Thriller Bark Pirates.

A Rear Admiral of the G-2 base of the Marines who was sent to locate and report the situation of the Taiyou Pirates. Once found, he asked Fisher Tiger to return all the freed slaves, to which he responded that there is no longer nay way to identify them, proceed to the pirates attack your Kadar's ship.

Kagikko is the locksmith of Don Krieg.Fleet He wears a helmet with a master key on it, being this key his trademark.

One of the Yonkou that control the New World. Not much so far is known about Kaidou, unless he defeated Gekko Moriah killing all his crew and that he intended to take advantage of the Marineford war for finishing Shirohige, but he was aparently intercepted by Shanks.

Kairen is a righteye flounders ningyo, one Camie's friends who received the Straw Hats at Ningyo Creek on Gyojin Island.

Kairiken is one of the bounty hunters who tried to capture the Straw Hat crew on Sabaody Archipelago. Later, along with his partner Minoruba, they went to report about everything to Petterman, with which they came to the agreement that they would be rewarded with a tenth of Camie's sale price.

The Kairiki Destroyers are three gigantic members of the Franky Family and the strongest of all of them. They fought the real giants Oimo and Kashii at Enies Lobby but the lost in an instant.

The group of pirates who were sent by Buggy to recover the navigation chart of the Grand Line that Nami had robbed them. Supposedly these three men have a superhuman strength, but Luffy easily defeated them after getting annoyed when they touched his hat.

Kaku is on the of 5 main shipwrights for the Galley-La company stationed at Dock 1. He is known as "Yamakaze" or Mountain Wind because of the way he jumps across Water 7 quickly. He inspects the shape of a ship and reports it back to the main dock. His job is just a cover, he is a secret agent of the CP9 working for the government. Kaku is the second most powerful of the CP9 and has eaten the Ushi Ushi fruit, model giraffe.

Kakukaku-san is a totally squared guy. He appeared for first time between the people who was talking about the criminals who tried to kill Iceberg in Water Seven. Oda made some puns with his name (which means "squared").

Kalifa was introduced as the secretary of Iceberg in the Galley-La company, but it was not more than a cover to spy him and manage to find the whereabout of Pluton's blueprints. Kalifa is an outspoken feminist, she considered any offense of her superiors as "sexual harassment". Kalifa has eaten the Awa Awa fruit, that gives her the powers to become a soap woman. In Enies Lobby, Kalifa defeated Sanji due his inability to hit a woman, Nami then took his fight and managed to defeat her.

Kamakiri is a one of the warriors of Shandora fighting to regain their homeland back.

Kaneshiro the shipwright of Arlong's crew. He's a Goldfish gyojin, the kanji for "gold" can be seen on his forehead and as a fancy tattoo on his chest.

An old woman who offered Robin shelter and work at her farm when she was a child, but ended up betraying her and selling Robin to the World Government. However, by the time officers arrived, Robin had already fled.

Kapoty is a gyojin and is part of the Foxy Pirate Crew. He particaptes in the first round of the Davy Back Fight, Donut Race, along with Porche and Monda. He uses Gyojin Karate and can split the sea with a karate chop.

The boy whom wants to take part in Kozha's rebellion. In order to clear that stupid idea from his head, Kozha ask Farafra to show the boy his amputated shoulder and let him saw the consecuences of a war.

One of the New World captains who attended Shirohige in battle at Marineford to prevent Ace's execution.

Karugara is the legendary warrior of Shandora that protected Jaya of the visitors. He became friend of Noland and thanks to him he learned that the God to which they venerated wasn't really a God.

An old woman who sails around Raijin Island in a boat. She suggested and his crew to buy her some umbrellas if they wanted to enter the island.

Kasagon is a lion fish gyojin. He is a member of the New Gyojin Piratas and part of Hammond group, who riding their sea monsters are in charge of intercepting the humans that approach Gyojin Island.

Kashii is one of the two giants that guard the gates of Enies Lobby, the one with the axe. He joined with Oimo and worked for the Government for 50 years only because they thought the leaders of their clan were being held captive in prison. Oimo and Kashii were promised that by serving the government, they would be released. Their leaders were none other than Dorry and Brogy, whom the Straw Hats had met in Little Garden. When Usopp realized this, he told the two the real truth and how he had met them. Angered at being deceived for 50 years, Oimo and Kashii switched sides and swore vengeance upon the Government and Marine that had kept them in the dark for so long.

When Kaya was younger both of her parents passed away leaving her to live in her mansion (her family is very wealthy) with only her servants. After the death of her parents Kaya became very lonely and depressed. Usopp, who lived in the village at the time, used to always make up stories to cheer her up. Him and her servant Kurahadol (who is really the evil Captain Kuro out to get her money) were the only ones that made her happy. When she finds out Kurahadol is a criminal she helps Luffy and the others rid of him and his pirate crew who planned to destroy the village. Luffy's crew takes Usopp along with them when they leave and Kaya gives them a ship called the "Going Merry", named after Kaya's other servant Merry.

Former member of the Suna Suna Clan which would become part of the rebel army along with Kohza and Okame.

One of the New World captains who attended Shirohige in battle at Marineford to prevent Ace's execution.

One of the Super Spot-Billed Duck Squad. The one that smokes cigars and wears a roman hellmet.

Keroberosu is a Wild Zombie of the Thriller Bark Pirates, the zombie number 82. He was first zombie that Usopp, Chopper and Nami meet at arriving at Thriller Bark. He is a three headed zombie dog, although Chopper discovered that one of these heads is a fox. When the rest of the crew disembarked in Thriller Bark they also meet with Keroberosu, Luffy attempt to tame him but after Keroberosu's violent answer he decided to make him to collaborate with them by the force. He served as mount for Luffy from the forest to the cemetery.

He is the captain of the pirates the lost against Foxy Pirate Crew in the Davy Back Fight. The Straw Hats meet their ship just before their arrival at Long Ring Long Land. In the anime, Kiba has a filler where he recovers for a time all his crew and some of Foxy's mens from his defeat in the Davy Back Fight against the Straw Hats.

One of the members of the Franky Family, he intervened in the battle at Enies Lobby against Kashii and Oimo, without success. Then, back at Water Seven, he would join with the rest of the Franky Family to stole the pants of their leader.

She is the leader of the warriors at Amazon Lily, and the one who would head Luffy's hunt throughout the island. Later, she would recriminte the women of the tribe for imitating Luffy with the sticks on his nose.

Nicknamed "Massacre Soldier", Killer is one of the Rookies of over one hundred million, and the second in command of the Kid Pirates. He always hides his face behind a mask and fights with a pair of rotating scythes. He participated in the struggle at the Human Auction, then along with his captain, they faced a Pacifista.

Kinemon, nicknamed "Kinemon the Fox Fire", is a samurai from Wanokuni who came to Punk Hazard searching for his son, Momonosuke. He met with Law Trafaltar, who using his ability divided his head, torso and legs around the island. Luckily, the Straw Hat crew managed to repair him.

One of the commanders of the Shirohige Pirates. He would be one who would stay and face Akainu with the intention of giving Jinbe some time to take Luffy to a save place.

One of the New World captains who attended Shirohige in battle at Marineford to prevent Ace's execution.

A boy from Baldimore who founded Franky when the Shichibukai Kuma sent him to the island. Along with his grandfather, they would lend him their help and leaded him to Vegapunk's laboratory so he could find a way to leave the island and returns with his nakama.

Kiwi is one of the two Square Sisters of the Familia Franky, the other one is his sister, Mozu. They work is to escort Franky to everywhere. The Square Sisters also support Franky during his dances and poses

Koala is a former slave who was freed by Fisher Tiger. At a certain island, its inhabitants made a pepition to the Taiyou Pirates so they could take Koala back to her hometown at Foolshout Island. Once in the ship, Tiger erased the slave mark from the Tenryuubito in Koala replacing it with the sun brand, being the first human to have it. Aladdin described Koala as someone who could not leave his slavery life, she was always smiling, no matter how bad Arlong treated her, and tried to serve the crew cleaning the ship. This was due to the fear instilled by Tenryuubito and the punishments imposed to those who cry. The Taiyou Pirates finally managed to take her back to home, where Koala ignored that its inhabitants had agreed her freedom in exchange for bringing the Marines an ambush for Tiger.

Koby one day accidently stumbled onto the evil pirate Lady Alvida's ship when he meant to go on a fishing boat. They wouldn't let him go and kept him as their cabin boy. When Luffy shows up and beats Alvida Koby tells Luffy his dream is to be in the navy. He and Luffy go to the navy base together and, after defeating the corrupted Captain Morgan, Koby was allowed to join the navy. Thanks to Luffy his dream came true! Under Vice Admiral Garp's orders, he manage to became a Sergeant Major and learned the Rokushiki.

Moda's mother, she works as cook with her husband Kyuji at the Marine G-2 base.

The leader of the rebel army against the King of Arabasta. When he was a child, he befriended Vivi and formed the Suna Suna Clan. After saving Vivi's life, he went with his father Toto to start the new city of Yuba. Two years after the end of the rebellion, Kohza would become the Alabasta Kingdom's Minister of Environment.

Kokoro was the secretary of legendary carpenter Tom. Tom, Franky, Iceberg, Yokozuna and her formed the "Toms Workers", the company that build the first Umi Ressha. Kokoro became the driver of the train, until the day in which Tom was arrested by the government by his relation with Gol D. Roger. After this Kokoro become an alcoholic.

One of the first children who were held in the Biscuits Room at Punk Hazard's laboratory. He's one of the children with a more notorious gigantification, due to all the time that Caesar has been experimenting with him.

He is the commander of the military forces of the World Government. At Roger's time, he was the former Fleet Admiral of the Grand Line Marine Headquarters.

Twin brother of Hotori and brother of priest Satori. He has a dial in each hand, a Breath Dial with gas stored in the right and a Axe Dial in the left, with which he uses combo attacks with Kotori. He was defeated by Gan Fall.

Koushirou is Zoro's sensei and the father of Kuina. He teaches Zoro many things while he was young.

Momonosuke is Kinemon's son. He was carried to Hazard Punk along with the other children, but for some reason he doesn't appear in the register. He has always refused to accept any food, no mather how hungry he was, so he hasn't become addicted to the Candy. Seeking a way out of the laboratory, Momonosuke reached Vegapunk's old room, where starving, ate an experimental Akuma no Mi that transformed him into a dragon.

The thin one of the two guys who attacked Tashigi in LogueTown.

Kuina is Zoro's dead friend from when he was young. She was the daughter of the sensei of the dojo Zoro was in. Kuina defeated Zoro 2000 times, despite the fact the Zoro was the strongest in the dojo and can even beat the adults. On there 2001st duel, they both made a promise to each other that one of them will become the greatest swordsman in the world. She died the next day by falling down stairs.

Kumadori is a kabuki actor and always speech in a poetic way. He always is trying to suicide committing Seppuku, but he uses his powers (Tekkai) to avoid this from happening and thanks his death mother for saving his life once again. Kumadori doesn’t have any special power, but its long hair moves at his own, reason why he calls himself "lion".

Kumashi is Thriller Bark Pirates Wild Zombie captain. He is Perona's right hand, a zombie created with the teddy bear that she has loved from her childhood. Nevertheless, Perona deals Kumashi with hardness, she doesn't allows him to speak because she thinks that he stops being cute at talking. Kumashi was defeated and purified by Usopp when he was trying to protect Perona.

The 139 year old doctor of Drum Kingdom. Chopper's mentor, she taught him everything he knows. The payment for getting treated by her is half of your belongings, or any other such outrageous offer.

Long ago a man name Captain Kuro was a very dangerous pirate. He faked his death and showed up in a small village where he began working as a servant in a large mansion going under the name Kurahadol. A family lived there but the parents passed away leaving only the young woman Kaya. He took care of her for years, building the peoples trust in the village. Finally, his true self came to light. He planned on having Kaya killed and getting all of her money with the help of his old pirate crew. Luffy's crew teams up with a boy named Usopp from the village to battle them. Luffy fights Kuro who has blades for fingertips it seems. Luffy manages to overcome him and save the village.

The gruff henchman of Wapol. Back when Drum was a thriving country, Kuromarimo was a Magistrate. He and Chess are extremely loyal to Wapol, and would follow him to the ends of the Earth. He uses the "marimo" from his afro-ish head to stick to opponents by use of static electicity.

Kuroobi is a gyojin of the shark species, and is one of the three chief's or Arlong's staff. He is incredibly strong, and uses "Gyojin Karate" to vanquish his opponents. The meaning behind his name is "Kuro-Obi" which in the judo terminology means "black belt". He grossly underestimates Sanji, but ultimately gets knocked through a wall.

Kurotsuru is a doctor under the "Dr. Blackbeard" pseudonym that Ace assaulted after mistooking him with Kurohige.

Mostly known as Aokiji. Kuzan is one of the three Marine Admirals, one of the "Greatest Powers" of the World Government. He is a tall, lazy fellow and knows things about Robin. He is also in debt to Luffy's grandfather, which is a mystery as of now on what debt this is. Aokiji ate the Hie Hie no Mi, which allows him to become ice and freeze things. He also rides a bike that makes strips of ice that allows him cross the ocean.

Moda's father, she works as cook with his wife Koda at the Marine G-2 base.

Kyukyu is the Water Seven doctor who treated Iceberg after the first assassination attempt by Robin and the CP9.