| Ahoy! This here is the 135th Featured Article.
"Straw Hat Pirates" has been featured, meaning it was chosen as an article of interest.
Throughout the series, there have been people who either traveled with one or all of the Straw Hat Pirates for a short period of time or aided them in one way or another. Many of these individuals would be considered temporary pirates in a way. Along with those individuals, there have also been various groups that have assisted the Straw Hats in their adventures. These groups have helped the Straw Hats either to reach a certain goal or to defeat a common enemy.
Straw Hats-Franky Family-Galley-La AllianceEdit
An alliance formed on the way to Enies Lobby to rescue Nico Robin and Franky from the World Government, as well as retaliate against CP9 for the assassination attempt on Iceburg. The majority of the help occurred in the courtyard and courthouse in order to help the Straw Hats reach the Tower of Justice and face the CP9 agents, with the Franky Family entrusting the rescue of their leader to the pirates. The allies went their separate ways when the Straw Hats continued their journey with Franky as their new Shipwright, and the Franky Family started working for Iceburg and the Galley-La Company. This alliance is aided by Kokoro, Chimney, Gonbe, Yokozuna, Oimo, Kashi, Iceburg and Usopp under the alias "Sogeking".
Straw Hat-Heart AllianceEdit
An alliance between the Straw Hat Pirates and the Heart Pirates formed on Punk Hazard by their two captains in order to defeat Kaido, one of the four Yonko of the New World. According to Law, who proposed the alliance, their cooperation would give them a 30% chance to defeat the Yonko. The plan was to destroy Kaido's source of SMILE delivered by Doflamingo, weakening him while letting Doflamingo take on Kaido's anger. However, the events on Dressrosa made Law concerned about Kaido's reaction. The alliance eventually would grow to became the "Ninja-Pirate-Mink-Samurai Alliance" on Zou. This alliance is aided by Kin'emon, Momonosuke, Kanjuro, and an unwilling Caesar Clown, and briefly by the G-5 marines under Vice Admiral Smoker and Captain Tashigi, the kidnapped kids used for Caesar experiments, and Brownbeard on Punk Hazard, and by the Corrida Colosseum fighters including the Straw Hat Grand Fleet members, Elizabello II, and Dagama, the Riku Family, the citizens of Dressrosa and Green Bit, a representatives of the Revolutionary Army, and Admiral Fujitora on Dressrosa.
An alliance of the Kozuki Family retainers with the Straw Hat-Heart Alliance formed on Zou in response to Momonosuke's request for the pirates to help him avenge his parents against the Beasts Pirates and the shogun of Wano Country and release Wano from their control. The alliance attack is postpone until Sanji rescue mission from the Big Mom Pirates. Nekomamushi has shown interest in finding and recruiting Marco and the remaining Whitebeard Pirates. This alliance is aided by the entire Mink Tribe, through its leaders, Zunisha, and the Kozuki Family allies and rebels from Wano.
Allies and Traveling CompanionsEdit
Among those, there are more notable people:
- Vivi and Carue, as they traveled with the crew for almost the entire Alabasta Saga, and even considered permanently joining them but due to her promise it seems that she is always welcome back.
- Jinbe, who was invited to join the crew, but declined due to unfinished business. He promised that once his business is concluded, he will return to the Straw Hats, and join them if they still want him.
- Trafalgar D. Water Law, who has formed an alliance with Luffy to take down the Yonko Kaido. Law has traveled with the Straw Hats since they left Punk Hazard
|Character(s)||Arc Involved As Allies||Involvement With the Straw Hats|
|Coby||Romance Dawn Arc||Coby traveled briefly with Luffy, acting as a temporary navigator, after he was freed from his servitude to Alvida. He joined the Marines after the incident with Captain Morgan, and later trained under Vice-Admiral Garp, Luffy's grandfather. He still considers Luffy his friend even though they are now on opposite sides of the law.|
|Johnny and Yosaku||Baratie Arc to Arlong Park Arc||Two oafish but good-hearted bounty hunters who were once Zoro's partners. They traveled with and assisted the Straw Hats from Baratie to Conomi Islands.|
|Nojiko and Genzo||Arlong Park Arc||Two villagers who helped keep Luffy from drowning when he was temporarily submerged in the water of Arlong Park. Nojiko is Nami's adoptive sister, while Genzo is seen as a father-figure by the two sisters.|
|Nefertari Vivi and Carue||Whiskey Peak Arc to Alabasta Arc||The two traveled with and assisted the pirates for almost the entire Alabasta Saga. Vivi being close to them, considered joining them and was even asked to join the group. She however turned down the position in order to take care of her country, Alabasta, with Carue loyally staying with her.|
|Dorry and Brogy||Little Garden Arc||After the Straw Hats defeated Mr. 3 and his cohorts, and helped the two giants, the two gratefully aided the pirates by destroying the Island Eater that was blocking their path from Little Garden to Alabasta.|
|Portgas D. Ace||Alabasta Arc||Luffy's brother who aided the Straw Hats by stopping Smoker from catching Luffy and destroying a fleet of five Billions ships that were pursuing them. In the anime, he sort of traveled alongside with them through the Alabastan desert while looking for some answers to Blackbeard's whereabouts. He left the group to continue his search but not before giving Luffy his Vivre Card. While his death surprised and upset the crew, they were most concerned about Luffy's wellbeing after the death of his brother. Nonetheless, Ace had the upmost faith that Luffy was in good hands, and entrusted his safety to them.|
|Eyelashes||Alabasta Arc||Eyelashes is a camel who traveled with the Straw Hats after being saved from a Sandora Lizard during the events of Alabasta. He was mainly a transportation for Nami and Vivi, but also helped them in some situations. After the events of Alabasta he was given permission to join the Super Spot-Billed Duck Squad (even though he is a camel).|
|Bentham (Mr. 2 Bon Kurei)||Alabasta Arc, Impel Down Arc||Originally an enemy, he aided the Straw Hats by hiding their ship, the Going Merry, when there were Marines searching around Alabasta and by disguising himself and his men as the pirates in order to draw away the Marines pursuing them. Later, after breaking out of his cell and reuniting with Luffy in Impel Down, Bentham fought alongside Luffy to reach Ace. Throughout their reunion, Mr. 2 aided Luffy greatly through the various dangers of the prison, and ultimately aided Luffy and several other prisoners by sacrificing himself in order to open the way to their freedom.|
|Gan Fall and Pierre||Skypiea Arc||The former god of Skypiea and his pet bird aided the Straw Hats during their time in Skypiea.|
|Conis||Skypiea Arc||A young woman from Skypiea who helped the Straw Hats in battle from the sidelines throughout their time in the sky, despite Enel's will.|
|Aisa and Wiper||Skypiea Arc||Two Shandia who were originally hostile to the Straw Hats. They however aided them against Enel after getting to know them.|
|Kokoro, Chimney and Gonbe||Water 7 Arc to Post-Enies Lobby Arc||Though non-combatant, she aided the Straw Hats from crossing through the Aqua Laguna, to escaping from a flooded passage. She later told them about Fishman Island. As for Chimney and Gonbe, the two were the ones to discover the secret passage to the Gates of Justice and guided Luffy to it.|
|Yokozuna||Enies Lobby Arc and Post-Enies Lobby Arc||A giant sumo frog that helped the Straw Hats from fighting against the World Government to helping build their new ship, the Thousand Sunny.|
|Oimo and Kashi||Enies Lobby Arc and Post-Enies Lobby Arc||Two Elbaf giants who originally worked for the World Government as gatekeepers. However, after the truth was revealed to them by Usopp, they aided the Straw Hats and their allies in their invasion of Enies Lobby and helped rebuild Water 7 afterwards.|
|Keimi, Pappug and Hatchan||Sabaody Archipelago Arc, Fishman Island Arc||A mermaid and starfish rescued from a Sea King. The Straw Hats helped them rescue Hatchan, a former member of the Arlong Pirates and enemy, so that they can reach Fishman Island. They later became their guides on the Sabaody Archipelago so they could get a bubble coating for the Sunny to descend beneath the ocean. Hatchan also promised as soon as he was feeling better and the Straw Hats ship was coated he would guide them to Fishman Island. Two years later however, Hatchan was still recovering from the injuries he sustained while defending the Straw Hats' ship, and so was unable to guide them there. In spite of his injuries, he attempted to dissuade Hody Jones and Vander Decken IX from attacking Ryugu Kingdom. Keimi and Pappug meanwhile acted as tour guides, showing many of the Straw Hats around Fishman Island. Pappug also aided Zoro, Brook and Usopp in escaping imprisonment.|
|Silvers Rayleigh||Sabaody Archipelago Arc, Post-War Arc to Return to Sabaody Arc||
The legendary first mate of Gol D. Roger who has coated the Thousand Sunny for free after the Human Auctioning House incident, and also helped defend the Straw Hat Pirates against Kizaru. He found Luffy at Amazon Lily and, along with Jinbe, the three invaded Marineford so that Luffy could ring the Ox Bell and send his message to his crew. He taught Luffy how to properly use Haki over the course of a year and a half, then assisted in his escape from the Sabaody Archipelago.
|Boa Hancock||Amazon Lily Arc to Return to Sabaody Arc||Leader of the Kuja and the only female Shichibukai and thought to be the most beautiful female pirate in all the seas. Though initially antagonistic due to Luffy discovering the slave-mark tattoo on her back and being a man, she grew to accept and even love him, even assisting him to reach Impel Down to save his brother, Ace. Later, she gave Luffy the keys to Ace's handcuffs and defended Luffy from Smoker and the Pacifista so that he could try to save his brother. She then helped return Luffy to Amazon Lily and gave him safe haven, so he could recover from his wounds from the Battle of Marineford. After his successful recovery and training from Rayleigh along with the two year timeskip, she took Luffy back to Sabaody and assisted in his escape to Fishman Island.|
|Haredas||Amazon Lily Arc to Return to Sabaody Arc||A weather scientist on Weatheria who found Nami (who was sent there by Bartholomew Kuma) and took her into his home, teaching her about the sky island's weather science. He assisted in the Straw Hat Pirates' escape from the Sabaody Archipelago along with fellow Weatheria scientists by creating rain to ruin the Marines' gunpowder.|
|Heracles||Amazon Lily Arc to Return to Sabaody Arc||A warrior trapped in the Boin Archipelago. He protected the hapless Usopp during their time on the island, though attempted to convince him that it was impossible to escape. He taught Usopp about the Pop Greens as part of his training. He later appeared on the Sabaody Archipelago to assist in the Straw Hat Pirates' escape.|
|Perona||Amazon Lily Arc to Return to Sabaody Arc||Was formerly one of the Mysterious Four of Thriller Bark, but was sent by Bartholomew Kuma to Kuraigana Island, the same place that Zoro was sent to during the Straw Hats' battle with Kuma. While she was originally antagonistic, having served beneath Gekko Moriah, Perona grudgingly assisted Zoro during his time training with Dracule Mihawk. She later appeared on the Sabaody Archipelago to help Zoro and the other Straw Hats escape. In the anime, Perona stated that the only reason Zoro didn't get lost on the way back to Shakky's Rip-off Bar was because she was there to guide him.|
|Emporio Ivankov||Impel Down Arc to Return to Sabaody Arc||The "Queen" of Kamabakka Kingdom and Newkama Land, and Revolutionary commander. He healed Luffy from the brink of death with his Horu Horu no Mi powers, and then, upon learning that Luffy was the son of Dragon, his leader, he assisted Luffy in breaking free from Impel Down (though it is implied that he only did this to free Ace, since until Luffy told him that they weren't blood related, Ivankov assumed Ace was also Dragon's son). He then protected Luffy during the Battle of Marineford, being the one person as well as Jinbe to fight most by his side. After the war, he boarded a Marine ship along with his Newkama followers and, seeing that Luffy was in good hands with Boa Hancock, left with his people to return to his home. He was also responsible for helping Sanji during his two years of training in Kamabakka Kingdom.|
|Inazuma||Impel Down Arc to during the Timeskip||Ivankov's right-hand man in both the Kamabakka Kingdom as well as the Revolutionary Army. He found Luffy and Mr. 2 Bon Kurei on the brink of death, and brought them to Newkama Land. He then fought alongside Luffy and his allies to break free from Impel Down, but was drastically poisoned by Magellan. After recovering, he assisted Luffy in the Battle of Marineford by creating a bridge for him to reach Ace. After the war, he returned to Kamabakka Kingdom with his leader and people.|
|Crocodile and Daz Bones (Mr. 1)||Impel Down Arc to Marineford Arc||The former leader of Baroque Works and his right-hand man. After coming across him in Level 6 of Impel Down, Luffy reluctantly freed him after being persuaded by Emporio Ivankov. During the escape, Crocodile set free Mr. 1, who had been caged in Level 4. After the escape, Crocodile made his intention of taking Whitebeard's head clear, upon which he immediately acted on as soon as he arrived in Marineford. During the Battle of Marineford, Crocodile fought on his own side, aligning himself with no one, and Mr. 1 loyally followed suit. During the course of the battle, he fought Luffy's allies, the Whitebeard Pirates, but then helped save Ace and even Luffy himself, claiming that he did it only because he did not want the Marines to have their way. As such, Mr. 1 also helped protect Luffy against Dracule Mihawk. After the battle, Crocodile and Mr. 1 healed their wounds on an island in the Grand Line, deciding to enter the New World.|
|Jinbe||Impel Down Arc to Fishman Island Arc||Former captain of the Sun Pirates and former Shichibukai. He pleaded to Luffy to be freed from his cell in Impel Down so that he could help save Ace. Seeing the fishman's sincerity, Luffy freed Jinbe, and together they and their allies broke free from Impel Down. At the Battle of Marineford, Jinbe, upon renouncing his title as a Shichibukai, was one of the two to most assist Luffy during the battle, along with Emporio Ivankov. After Luffy's mind collapsed from Ace's death, Jinbe swore to protect Luffy at any cost, and was almost killed by Akainu, but was saved and healed by Law. After returning to Amazon Lily with Luffy, he managed to shake Luffy out of his depression by making him realize that he still had something precious to hold on to: his crew. He then joined Luffy, along with Silvers Rayleigh, as they invaded Marineford once more so that Luffy could ring the Ox Bell. After returning from Marineford, Jinbe took a last goodbye and told Luffy he wished to meet him in two years in Fishman Island. Jinbe took off with a whale shark. He is next seen waiting for Luffy at Otohime's grave, where he relates the history of Fisher Tiger and Queen Otohime to the Straw Hats. Jinbe then formulated a plan with them to rescue King Neptune and his family from execution, as well as demonstrate to the populace that humans and Fishmen could work together by fighting alongside the crew against the New Fishman Pirates. Following their victory, Luffy asked Jinbe to join his crew. Although his offer was declined, Jinbe asked that Luffy ask him again the next time they met.|
|Bartholomew Kuma||During the Timeskip||One of the Shichibukai and an officer of the Revolutionary Army. Shortly before the Battle of Marineford, he made a request to Vegapunk before being fully modified into a Pacifista, to give him a command to protect the ship of the Straw Hat Pirates until one of them returned. Vegapunk complied, and after the war ended, the fully mechanized Kuma returned to the Sabaody Archipelago to protect the Thousand Sunny. Two years later, Franky returned to see a heavily damaged Kuma guarding the ship. Upon seeing Franky, Kuma left the ship, stating that his mission to protect the Thousand Sunny was completed. Later on, Franky informed the rest of the Straw Hat Pirates about what Kuma had done during the timeskip, but stated that now that he had been made into a full Pacifista, he would be a heartless human weapon with no will of his own when they met again.|
|Dracule Mihawk||During the Timeskip||One of the Shichibukai. Though antagonistic towards Luffy during the Battle of Marineford, he accepted to train Zoro in swordplay during the two-year timeskip.|
|Surume||Fishman Island Arc||A fearsome kraken from the depths of the ocean. As the Straw Hats were traveling underwater, they defeated him in order to get through. After going to the Underworld of the Sea, Luffy managed to tame him, and even got him to save the Sunny from Wadatsumi and push the ship all the way to Fishman Island. Although initially frightened into rejoining the New Fishman Pirates, Surume assisted Luffy in the battle at Gyoncorde Plaza when the Straw Hat captain claimed him as a friend. After the fight, he was seen cooperating with the Fishman Island's Ammo Knight, helping to exile Wadatsumi.|
|Trafalgar D. Water Law||Punk Hazard Arc to Zou Arc||Law offered a formal alliance with the Straw Hats to Luffy, as a means of dethroning the Yonko, Kaido. The two fought together at Punk Hazard, capturing Caesar Clown and planned to deliver him at Dressrosa. Once there, Law dismissed many opportunities to protect himself by maintaining his partnership with the Straw Hats, at one point sacrificing himself so those aboard the Thousand Sunny could escape from Donquixote Doflamingo. When asked by Doflamingo why Law would go through such lengths to believe in Luffy, he claimed that "D." would cause another storm. Later on, Luffy claimed that Law would join his crew, and after telling Luffy of his past, the two confronted Doflamingo together. Luffy protected a wounded Law during the battle, and when Law was taken to safety, he demanded to stay behind to watch the battle between Luffy and Doflamingo.|
|Brownbeard||Punk Hazard Arc||A former pirate turned centaur servant of Caesar Clown, Brownbeard initially opposed the Straw Hats. However, after discovering his master's true nature, he aided the Straw Hats in the hopes of freeing his men from Caesar's servitude. He largely served as a form of mass transport for the crew, to his chagrin.|
|Mocha||Punk Hazard Arc||A girl kidnapped by Caesar Clown, Mocha helped Chopper prevent the other children from eating the drug candies.|
|Ucy||Dressrosa Arc||During the Corrida Colosseum, Luffy and the Fighting Bull which he named "Ucy" teamed up. Later, after Usopp defeated Sugar and all the toys turned back into humans, he allied with Luffy again during his rampage for Doflamingo's head.|
|Sabo||Dressrosa Arc||Luffy's second brother who everybody thought was dead for 12 years. He reunites with Luffy at the Corrida Colosseum and Luffy is shocked and surprised due to the fact that Sabo is alive and starts crying after meeting him. He also had enough faith in Sabo's fighting skills to leave the finale in the Corrida Colosseum in his hands, allowing Sabo to take the Mera Mera no Mi. Sabo later told Fujitora that should Luffy ever need help, he would be there for him, having refused to ever lose another loved one ever again.|
|Koala||Dressrosa Arc||A member of the Revolutionary Army and acquainted with Sabo. She went to Dressrosa with Sabo and Hack in order to stop Doflamingo's weapons trade that has been promoting wars throughout the world. While there she reunited with Robin who she became friends with during those two years and later help the Straw Hats in their battle against the Donquixote Pirates.|
|Hack||Dressrosa Arc||Another member of the Revolutionary Army and went to Dressrosa with Sabo and Koala stop Doflamingo's weapons trade that has been promoting wars throughout the world. While there, he was turned into a toy by Sugar, but was turned back to normal after Usopp defeated her. He then assists the Straw Hats in defeating Doflamingo.|
|Elizabello II and Dagama||Dressrosa Arc||After Usopp defeated Sugar and all the toys turned back into humans, Elizabello and Dagama joined Luffy's rampage for Doflamingo's head, their primary motivation being to assist King Riku.|
|Gatz||Dressrosa Arc||After Luffy was exhausted from using Gear Fourth, Gatz came to his aid with the Corrida Colosseum fighters.|
|Bellamy||Dressrosa Arc||Former adversary and main antagonist of Jaya Arc, Bellamy initially belittled Luffy and his dreams, however after his defeat he reconsidered his claims and traveled to Skypiea. After the Timeskip he met a disguised Luffy in the Corrida Colosseum and recognized him immediately but still kept his identity a secret. After he loss the block, Diamante gave him the order to kill Luffy much to his anxiety but he soon discovered Doflamingo ordered Dellinger to kill him. Betrayed, he went to confront Doflamingo during the Birdcage game and was beaten badly. When Luffy arrived to fight Doflamingo, he spotted a wounded Bellamy and tried to rescue him, claiming that they are friends, but was forced to fight him while he was under Doflamingo power and later to knock Bellamy out when he gravely regretted his alliance choices. After the battle, he was healed by Law due to Luffy request, and escaped Dressrosa with the Straw Hat Pirates and their allies. After the formation of the Straw Hat Grand Fleet he took a piece of Luffy's Vivre Card but noted that he isn't Luffy's subordinate.|
|Pedro and Carrot||Zou Arc to Totland Arc||Members of the Mink Tribe and Sanji's retrieval team. As part of the Ninja-Pirate-Mink-Samurai Alliance they join the Straw Hats in their mission the rescue Sanji from captivity by the hands of the Big Mom Pirates and the Vinsmoke Family. While Pedro asked Nekomamushi permission to help the Straw Hats and to watch over Pekoms, Carrot snack aboard the Thousand Sunny and together they traveled with them to Whole Cake Island.|
Among those, there are more notable groups:
- The Whitebeard Pirates and their allies, who despite only allied themselves with Monkey D. Luffy in Marineford due to the order of the captain, continue to protect him saying that they will fulfill their father final order.
- The Heart Pirates who formed the first pirate alliance with The Straw Hats.
- The Straw Hat Grand Fleet who increase The Straw Hats' power and reputation in the New World.
|Character(s)||Arc Involved As Allies||Involvement With the Straw Hats|
|Usopp Pirates||Syrup Village Arc||The band of make believe pirates helped the Straw Hats in stopping Kuro's scheme in their own way despite being only kids.|
|Saruyama Alliance||Jaya Arc||During the Straw Hats' time on Jaya, the alliance helped them to reach Skypiea. Their boss, Montblanc Cricket, informed them about how to reach the Sky Island through the use of the Knock Up Stream and the South Bird. The rest of the alliance modified the Going Merry into a "flying mode" to better maneuver the force of the current. Later, the Straw Hats repaid the alliance's efforts by ringing the Golden Bell thus clearing up the Montblanc family name.|
|Galley-La Company||Water 7 Arc to Post-Enies Lobby Arc||The company originally fought against the Straw Hats when they learned that their president, Iceburg, was almost assassinated by Nico Robin. When the truth was finally learned, the three of the remaining Galley-La foremen decided to join the Straw Hats to fight against CP9. They, together with the Franky Family, formed a fighting force that invaded Enies Lobby and helped the Straw Hats reach their destination. After the Enies Lobby incident, the Galley-La company provided temporary room and board for the pirates while Iceburg and the foremen helped Franky build their new ship.|
|Franky Family||Water 7 Arc to Post-Enies Lobby Arc||A gang consisting of the dregs of Water 7 who were originally on opposite sides with the Straw Hats. They however joined forces with the Straw Hats after their boss, Franky, was captured by CP9. Together with the Galley-La foremen, they formed an army that aided the Straw Hats in reaching their invasion of Enies Lobby. After the events in Enies Lobby, the gang gave the Straw Hats the Treasure Tree Adam they bought with the money they stole from the pirates. They did this as thanks for rescuing Franky and to provide the materials to replace the ship the pirates lost.|
|Thriller Bark Victim's Association||Thriller Bark Arc||A group of Gekko Moriah's victims that include the Rolling Pirates in their ranks. They helped the Straw Hats in their battle against Moriah to reclaim back their shadows and against Bartholomew Kuma to protect Luffy. One of their prominent members, Lola gave them a Vivre Card for her "mama" in the New World after everything was done.|
|Rosy Life Riders||Sabaody Archipelago Arc and Return to Sabaody Arc||
Initially antagonists of the Straw Hats due to the coincidental connection between leader Duval and the drawing on Sanji's wanted poster. After Sanji reforms him to a more handsome face, the group becomes allies assisting them on the Sabaody Archipelago, particularly in locating Keimi after her capture by slave traders. They also protected the Thousand Sunny in the two year timeskip when the Straw Hats were training and saved Brook when he was escaping the Marines.
|Newkama Land||Impel Down Arc to Post-War Arc||
As Monkey D. Luffy penetrated deeper into Impel Down in order to save his brother, he came across the hidden prisoners who managed to escape their cells but stay within the walls of the prison, the Newkama. After Luffy was healed from poison, and revealed his heritage, the leader of the Newkama and an ally of Luffy's father, Emporio Ivankov, joined the young pirate in his rescue mission to save Ace, taking the Newkama with him. After the war, Ivankov returned to Momoiro Island, where he discovered Sanji and, with assistance from his "candies", helped train him during the 2 year time-skip.
|Impel Down Prisoners||Impel Down Arc to Marineford Arc||
During the escape from Impel Down, Luffy and his allies went about freeing as many prisoners as possible to improve their chances of escaping. Though the majority are mainly loyal to Buggy, they fought alongside Luffy at Impel Down and Marineford, mostly to ensure their own freedom.
|Whitebeard Pirates||Marineford Arc||
During the Whitebeard War, Luffy's effort and extraordinary will garnered him respect and admiration from Edward Newgate, his crew and allies, to the point where the legendary pirate ordered his men to assist Luffy. After Whitebeard and Portgas D. Ace were killed, the Whitebeard Pirates then put all their effort to make sure that Luffy wasn't.
|Neptune Royal Family||Fishman Island Arc||After the Straw Hat Pirates and Jinbe rescue the royal family from the clutches of the New Fishman Pirates, they return the favor by helping the Straw Hats defend Fishman Island. The brothers, Fukaboshi, Ryuboshi and Manboshi helped Luffy fight Hody Jones, while Shirahoshi demonstrated great trust in the captain, placing herself under his protection while being targeted by Vander Decken IX. Neptune also chose to trust the Straw Hats after he saved Megalo, and cleared them of all charges after they saved Fishman Island.|
|Heart Pirates||Punk Hazard Arc to Zou Arc|
|Kozuki Family||Punk Hazard Arc to Zou Arc||A family from Wano Country that were attacked by The Beasts Pirates led by Kaido and the shogun of Wano. Kozuki Momonosuke, the heir of the family, and three of it's retainers flee in search for allies to help them fight back. On their way to Zou they were shipwrecked and separated. Momonosuke and Kin'emon met The Straw Hats and Trafalgar Law on Punk Hazard and traveled with him to Dressrosa and then Zou in order to regroup with their allies, in the meanwhile witnessing their strengths. They grew to trust the pirates with their secrets and request their help in their goal to defeat Kaido and release Wano from his and the shogun control, to which the Straw Hats accepted.|
|G-5 Marines||Punk Hazard Arc||
The Straw Hats made a temporary alliance with Smoker and Tashigi's G-5 Marines, in an effort to rescue the children kidnapped by Caesar Clown, Vergo and Monet along with escaping the island of Punk Hazard safely.
|Tontatta Kingdom||Dressrosa Arc||
Due to Usopp's lies, the whole Tontatta Kingdom joined him to fight Donquixote Doflamingo, and even after he revealed that he lied to them, his fight against Trebol and Sugar, which ultimately set the kingdom free, cemented his status as their hero. Leo, while rescuing princess Mansherry, dispatch Jora, one of the member of the Donquixote Pirates, and in the processes stopped her from healing other members of the Donquixote Pirates (Lao G, Dellinger, Sugar, Machvise, and several subordinates). Along with most of the Colosseum fighters, Leo and 200 of the Tontatta requested to join Luffy's crew.
|Chinjao Family||Dressrosa Arc||After Luffy restored Chinjao's head and Usopp defeated Sugar and all the toys turned back into humans, Chinjao, Sai and Boo joined Luffy's rampage for Doflamingo's head. The family, Sai in particular, helped dispatch two members of the Donquixote Pirates, Baby 5 and Lao G. Along with most of the Colosseum fighters, Sai requested to join Luffy's crew.|
|Riku Family||Dressrosa Arc||The former royal family of Dressrosa, who, due to Doflamingo's manipulations were dethroned. They spent the past decade hiding, working and quietly rebelling against him till the Straw Hats came along. The first to attempt a cooperative relationship against the Donquixote Pirates was Kyros, as the toy, Thunder Soldier. He worked with the Straw Hats in the mission to destroy the SMILE Factory. In exchange, the Straw Hats were asked to save the slaves being forced to work in the factory before destroying it. In order to do so, part of the operation included knocking out Sugar, the one responsible for transforming people into toys, so as to revert everyone back to normal. He helped dispatch two of the executives of the Donquixote Pirates, Buffalo and Diamante. The next to join was Viola, the former second princess, who was forced to work as one of Doflamingo's underlings. She was sent to assassinate Sanji, but saved him when she saw the cook's unfaltering faith in her, and her desire to be free of Doflamingo. She informed him of Doflamingo's trap and gave him a map for the Flower Field. She then later helps him avoid the Marines, as well as guide Sanji to the Thousand Sunny. Afterwards, she helped Luffy, Zoro and Kin'emon infiltrate the palace, and later helped in stalling for time for Luffy to defeat Doflamingo. After learning of the truth of her family with Sugar's defeat, the former crown princess, Rebecca, also volunteered to help the Straw Hats, offering to deliver the keys to Trafalgar D. Water Law's Seastone handcuffs. Finally, the previous king, Riku Dold III, though initially hesitant to put his trust in the Straw Hats, especially given his dealings with the Donquixote Pirates, decided to take a leap of faith after hearing they had the approval from the rest of his family. He rallied the citizens behind the Straw Hats, and after Doflamingo's defeat, offered them sanctuary in the castle.|
Corrida Colosseum fighters
|Dressrosa Arc||Though they were released from the Hobi Hobi Curse thanks to the Straw Hat Pirates and their allies, these ungrateful combatants quickly turned against the Straw Hats when Doflamingo started his death game. However, after realizing that the Shichibukai was going to kill them all regardless, the Corrida Colosseum fighters united under Gatz, who offered to help Luffy after he was exhausted from using Gear Fourth. Many of them later requested to join Luffy's crew.|
|Dressrosa Arc||The citizens of the island that remained conscious through Doflamingo's deadly game with the Birdcage witnessed Luffy's defeat of the tyrannical Shichibukai, and considered him their hero. They assisted Luffy, his crew, and his allies three days after the battle by swarming the harbor where they were attempting to make their escape, yelling out that they'd attack him for kidnapping Rebecca but knowing the truth of the situation, and in reality making certain that Fujitora could not drop the island's worth of rubble that he had gathered to kill the crew.|
|Straw Hat Grand Fleet||Dressrosa Arc||Consisting of 5,640 men from the 7 divisions led by the Corrida Colosseum fighters and the Tontatta army. After the defeat of the Donquixote Pirates, and escaping the Marines on Dressrosa, the 7 leaders asked Luffy to exchange sake cups with them as an agreement to serve under his wing. Luffy refused and claimed that he didn't want power but freedom, friendship, and free choice instead. Accepting his offer, they decided freely to drink and pledged their allegiance to him despite his refusal.|
|Mink Tribe||Zou Arc||A race of humanoid animals inhabiting Zou, an island located on Zunisha 's back. While the Straw Hats were divided during the Dressrosa Arc, a group consisting of Sanji, Nami, Chopper and Brook along with Momonuske and Caeser Clown head to Zou where they help the tribe fight off against Jack's remaining forces who were attacking the Mokomo Dukedom citizen and cleared up the gas. When the rest of the Straw Hat Pirates and their company arrived to Zou, they were welcome in open arms and referred as the tribe benefactors. Currently in an alliance with the Straw Hat Pirates to help the Kozuki Family reclaim Wano from the current shogun and the Beast Pirates.|
|Character(s)||Arc or Movie Involved As Allies||Involvement With the Straw Hats|
|Warship Island Arc||
A girl that the Straw Hats aided in her efforts to help the Sennenryu she had found and befriended.
|Lovely Land Arc||
A crew of pirates that aided the Straw Hats against the bounty hunter family, the Accino Family.
|Billy||One Piece Film: Strong World||A giant bird who Luffy and Nami took a liking to. He helped the latter escape from Shiki's base, and assisted Luffy in his battle against Shiki.|
|Z's Ambition Arc|
|One Piece Film: Z||
Though a canon character, Kuzan aided the Straw Hats non-canonically in One Piece Film: Z. He provided them with valuable information about Z's plans and whereabouts, saved Luffy, Zoro, Sanji and Usopp from Secon Island's destruction, and gave the crew an Eternal Pose leading to Piriodo.
|Zephyr||One Piece Film: Z||At the end of the One Piece Film: Z, Zephyr chooses to sacrifice himself to let the Straw Hat Pirates and his comrades Ain and Binz escape Kizaru's blitz on Piriodo.|
|Caesar Retrieval Arc||A group of sea animals lead by one of the Kung-Fu Dugong that Luffy beat in Alabasta that consist of an only animal crew. While traveling in the grand line they ware captured by Breed and was enslave by his power until he was defeated by Luffy and Law.|
|Adventure of Nebulandia||Usually adversaries, the Foxy Pirates briefly allied themselves with The Straw Hats to rescue their captive friends from Komei and the marines and in the search of the Rebound Mushroom. After returning to Mushroom Island, Foxy declare the two teams rivals once more.|
|Adventure of Nebulandia||After escaping the marine ambush on Mushroom Island , Chopper, Brook and Chuchun hit Kinoconda and after a brief chase, he stumble upon one of the marine huge bear traps. After getting Treatment from Chopper, it was discovered that the Rebound Mushroom grew on his neck. He later gave Chopper, Brook and several Foxy Pirates a ride to Nebulandia to help the rescue operation.|
Toriko and his allies
|Crossovers Episode 492, Episode 542, Episode 590||
In occasion of some crossovers, the Straw Hat Pirates team up with Toriko and his allies due to various emergencies.
|Crossover Cross Epoch, Enel attacks Tokyo Episode, Episode 590||
In occasion of some crossovers, the Straw Hat Pirates team up with Son Goku and his allies due to various emergencies.
|Character(s)||Arc or Movie Involved As Allies||Involvement With the Straw Hats|
|Legend of the Rainbow Island||
A boy who joined the Straw Hat Pirates and assisted him in beating Baroque Works and the game's original enemy crew. He leaves the crew at the end of the game.
|Gaburi||Unlimited Cruise Parts 1 & 2||A demon-like creature who befriends the Straw Hat Pirates and helps them defeat the Doom Guardian by sacrificing himself. In the second part of the game, he returns to assist them in defeating the Demon of Doom.|
|Unlimited World Red||
A pen that belongs to Patrick Redfield who helped the Straw Hats throughout the game and wanted to return to his master.
|Unlimited World Red||
A young woman who assisted the Straw Hat Pirates by running the shops and vendors in Trance Town as well as providing the crew with resources and information.
- ↑ One Piece Manga — Vol. 80 Chapter 801 (p. 15-17), The Straw Hats are given new bounties after Dressrosa.
- ↑ One Piece Manga and Anime - Vol. 1 Chapter 2 and Episode 1, Coby decides to travel with Luffy.
- ↑ One Piece Manga and Anime - Vol. 5 Chapter 42 and Episode 20, Johnny and Yosaku decide to travel with the crew.
- ↑ One Piece Manga and Anime - Vol. 10 Chapters 84-89 and Episodes 39-41, Nojiko and Genzo keep Luffy from drowning.
- ↑ One Piece Manga and Anime - Vol. 23 Chapter 214 and Episode 128, Vivi is asked to join the Straw Hat pirates.
- ↑ One Piece Manga and Anime - Vol. 23 Chapter 216 and Episode 129, Vivi declines to join the Straw Hat pirates to look after her country.
- ↑ One Piece Manga and Anime - Vol. 15 Chapter 129 and Episode 77, Dorry and Brogy help the Straw Hats by defeating the Island Eater.
- ↑ One Piece Manga and Anime - Vol. 18 Chapter 158 and Episode 94, Ace prevents Smoker from catching Luffy.
- ↑ One Piece Manga and Anime - Vol. 18 Chapter 159 and Episode 95, Ace destroys five Billions ships.
- ↑ One Piece Anime - Episodes 96-102, Ace decides to travel with the crew in the Anime.