Sabo is the Chief of Staff of the Revolutionary Army, and is recognized as the "No. 2" of the entire organization, being directly under Dragon himself in terms of command. He is an adoptive brother of Luffy and Ace, and the son of Outlook III. He was born into a noble family in Goa Kingdom but decided to run away and live in the Gray Terminal, eventually setting out to sea on his own. 12 years before the present storyline, he was a childhood friend of Ace, and eventually Luffy as well, to the point where the three considered themselves to be "brothers", swearing an oath of brotherhood over sake. Along with Ace and Luffy, Sabo's dream was to become a pirate so that he could set sail and achieve freedom, and made plans with his brothers to set sail at age 17. Despite this, Sabo decided to set sail before Ace and Luffy, and his boat was destroyed by a Celestial Dragon moments later. Sabo was believed to have died from this event, but survived after being saved by Dragon and joined the Revolutionaries. Sabo lost most of his memories from that point forward, but regained them after learning that his adopted brother Ace was killed at Marineford.
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Sabo was a ten year old boy at the time of Luffy's flashback, the same age as Ace at that time. He had a missing tooth and short curly blond hair. He wore a large black top hat with a pair of blue goggles wrapped around it, a blue jacket with the sleeves rolled up, a cravat and a pair of light blue cyan shorts held up by a belt with an elaborate flower-design buckle. Before he entered into the Gray Terminal, he was seen with a gentle outfit with a white colored short-sleeved shirt and wearing blue colored shorts as usual. As an adult, Sabo became taller and more muscular. He has matured greatly, with more pronounced facial symmetry and a scar he acquired over his left eye. This scar was inflicted when Saint Jalmack selfishly blew up the fishing boat Sabo used to set out to sea, leaving him with serious burns and critical injuries. He resembles Luffy enough to allow him to easily deceive opponents as perceptive as Diamante into thinking he was "Lucy" by simply wearing the same outfit, although Sabo is still taller than his younger brother. His hair has also grown noticeably longer since his youth. While participating in the final round at the Corrida Colosseum in Luffy's place, he wore Luffy's cape, fake beard, and viking style helmet. In addition, he wore shades to conceal his eyes. He also drew an x-shaped mark on his chest. Later, after the round, he returned to his original outfit, which resembles his old outfit from twelve years ago: a long black jacket with a buckle on the left sleeve, with a blue shirt and vest, a frilled cravat, and a simple belt holding a pair of loosen light-blue pants with black boots (said boots are shown in greater detail in Pirate Warriors 3, to be wrapped with buckles and with cloth bracings). He also wears a pair of brown gloves and the same top hat with goggles over the band. At first worried that Luffy would reveal the secret stash that Sabo and Ace had hidden, they suggested that they would kill him. However, after seeing Luffy resist Porchemy and refusing to tell the secret, they inducted him into the group and treated him like a brother. Luffy also thought of Sabo as a kinder elder brother than Ace. Prior to his departure from Goa, Sabo sent a letter to Ace, telling him to take care of Luffy as their younger brother. After the time skip, when Sabo meets Luffy, Luffy is shocked and surprised due to the fact that Sabo is alive and starts crying after meeting him, thinking that he had died 12 years ago. 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 claim of the Mera Mera no Mi. He later told Admiral Fujitora that should Luffy ever need help, he would be there for him, having refused to ever lose another loved one ever again.
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Ace, being a fellow child who wants to be a pirate, was a good friend of Sabo's. In fact, they were like brothers, and Sabo was willing to forsake his dreams to save Ace and Luffy from his father's wrath. It is unknown whether or not Sabo was aware of Ace being Gol D. Roger's son, though in the anime he was fully aware of this fact, as well as the one who informed Luffy of it. Although Sabo had amnesia for most of his life and forgot about Ace and Luffy, after reading about Ace's death in a newspaper article, Sabo regained his memories of Ace and by extention - the rest of the memories he had lost. This event, combined with the fact that he discovered that his brother had died all at the same time, put him into a coma for three days. Two years after Ace's death, Sabo deeply regrets that he wasn't there to try and save his brother's life, and not a day went by where he didn't agonize over what Ace's final thoughts might have been. He visited Ace's grave and left three cups of sake next to Ace's gravestone in memory of their brotherhood, and pinned a newspaper article to the gravestone to indicate that Luffy is doing fine. Despite his regret, Sabo still remains determined to inherit Ace's will by obtaining the Mera Mera no Mi. He later looked to his late brother to watch over him as he entered the arena. Sabo obtained and ate the Mera Mera no Mi, and the first attack he used with his new abilities was Ace's signature move, Hiken. Despite Sabo's grief, he took it upon himself to protect his remaining brother Luffy in Ace's stead, and vowed to never live with any regrets ever again - as he believed Ace would never have forgiven him for it. It is unknown if Dragon was aware that Sabo considered himself the brother of Monkey D. Luffy, his son, when he first rescued him. In the aftermath of Marineford, when Ace's death along with Luffy's heritage was revealed in the newspaper, Sabo both regained his lost memories as well as gain knowledge of Dragon's relationship with Luffy. In the past, Dragon spared his time to listen to Sabo's story. He was openly affected by Sabo's morality and sympathized with the noble child for his refusal of his heritage. He later rescued Sabo and saved his life, permitting him to join the Revolutionary Army, where he eventually ascended the ranks to become the Chief of Staff and the Army's second in command. Sabo refers to Dragon as "Dragon-san" and is loyal to him and is trusted enough to lead the Revolutionary Army's investigation of Donquixote Family's weapons trade. Sabo seems to be well acquainted with Koala, to the point where she knows about his history with Luffy and Ace and his regret about not being able to be at the Battle of Marineford. She also attends his battle at the Corrida Colosseum. However, she is constantly frustrated with his selfish attitude in regards to disobeying orders as seen when she berates him for potentially drawing the ire of the Marines by fighting one of their Admirals. Due to Sabo being a part of the Revolutionaries, he is an enemy of the Marines, but more specifically, the World Government. As such he stopped Admiral Fujitora and his forces from advancing after Luffy[10] and clashed with the blind Admiral. Surprisingly despite this enmity, he wishes the blind admiral good luck with his dangerous gamble to leave the Heavenly Demon's defeat in the hands of pirates. Having personally witnessed the Nobles of his home in the Goa kingdom, Sabo bears deep hatred towards nobles. Having learned of their attempts to kill all the people in the Gray Terminal, Sabo was the only person in the whole kingdom to try to save the people living there and was shocked and disgusted seeing that everyone in the kingdom knew what was happening but did nothing to help. He himself even told Dragon how he was ashamed of ever been born as one. Realizing he'll never be free of them, Sabo attempted to leave his home to make sure he'd never become like them. His hatred may not be absolute, it is unknown what he thinks of Nobles who are good to their people, like Dalton, Cobra, or Vivi, and more recently, the Riku family.
Sabo was a ten year old boy at the time of Luffy's flashback, the same age as Ace at that time. He had a missing tooth and short curly blond hair. He wore a large black top hat with a pair of blue goggles wrapped around it, a blue jacket with the sleeves rolled up, a cravat and a pair of light blue cyan shorts held up by a belt with an elaborate flower-design buckle. Before he entered into the Gray Terminal, he was seen with a gentle outfit with a white colored short-sleeved shirt and wearing blue colored shorts as usual. As an adult, Sabo became taller and more muscular. He has matured greatly, with more pronounced facial symmetry and a scar he acquired over his left eye. This scar was inflicted when Saint Jalmack selfishly blew up the fishing boat Sabo used to set out to sea, leaving him with serious burns and critical injuries. He resembles Luffy enough to allow him to easily deceive opponents as perceptive as Diamante into thinking he was "Lucy" by simply wearing the same outfit, although Sabo is still taller than his younger brother. His hair has also grown noticeably longer since his youth. While participating in the final round at the Corrida Colosseum in Luffy's place, he wore Luffy's cape, fake beard, and viking style helmet. In addition, he wore shades to conceal his eyes. He also drew an x-shaped mark on his chest. Later, after the round, he returned to his original outfit, which resembles his old outfit from twelve years ago: a long black jacket with a buckle on the left sleeve, with a blue shirt and vest, a frilled cravat, and a simple belt holding a pair of loosen light-blue pants with black boots (said boots are shown in greater detail in Pirate Warriors 3, to be wrapped with buckles and with cloth bracings). He also wears a pair of brown gloves and the same top hat with goggles over the band. At first worried that Luffy would reveal the secret stash that Sabo and Ace had hidden, they suggested that they would kill him. However, after seeing Luffy resist Porchemy and refusing to tell the secret, they inducted him into the group and treated him like a brother. Luffy also thought of Sabo as a kinder elder brother than Ace. Prior to his departure from Goa, Sabo sent a letter to Ace, telling him to take care of Luffy as their younger brother. After the time skip, when Sabo meets Luffy, Luffy is shocked and surprised due to the fact that Sabo is alive and starts crying after meeting him, thinking that he had died 12 years ago. 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 claim of the Mera Mera no Mi. He later told Admiral Fujitora that should Luffy ever need help, he would be there for him, having refused to ever lose another loved one ever again.
Ace, being a fellow child who wants to be a pirate, was a good friend of Sabo's. In fact, they were like brothers, and Sabo was willing to forsake his dreams to save Ace and Luffy from his father's wrath. It is unknown whether or not Sabo was aware of Ace being Gol D. Roger's son, though in the anime he was fully aware of this fact, as well as the one who informed Luffy of it. Although Sabo had amnesia for most of his life and forgot about Ace and Luffy, after reading about Ace's death in a newspaper article, Sabo regained his memories of Ace and by extention - the rest of the memories he had lost. This event, combined with the fact that he discovered that his brother had died all at the same time, put him into a coma for three days. Two years after Ace's death, Sabo deeply regrets that he wasn't there to try and save his brother's life, and not a day went by where he didn't agonize over what Ace's final thoughts might have been. He visited Ace's grave and left three cups of sake next to Ace's gravestone in memory of their brotherhood, and pinned a newspaper article to the gravestone to indicate that Luffy is doing fine. Despite his regret, Sabo still remains determined to inherit Ace's will by obtaining the Mera Mera no Mi. He later looked to his late brother to watch over him as he entered the arena. Sabo obtained and ate the Mera Mera no Mi, and the first attack he used with his new abilities was Ace's signature move, Hiken. Despite Sabo's grief, he took it upon himself to protect his remaining brother Luffy in Ace's stead, and vowed to never live with any regrets ever again - as he believed Ace would never have forgiven him for it. It is unknown if Dragon was aware that Sabo considered himself the brother of Monkey D. Luffy, his son, when he first rescued him. In the aftermath of Marineford, when Ace's death along with Luffy's heritage was revealed in the newspaper, Sabo both regained his lost memories as well as gain knowledge of Dragon's relationship with Luffy. In the past, Dragon spared his time to listen to Sabo's story. He was openly affected by Sabo's morality and sympathized with the noble child for his refusal of his heritage. He later rescued Sabo and saved his life, permitting him to join the Revolutionary Army, where he eventually ascended the ranks to become the Chief of Staff and the Army's second in command. Sabo refers to Dragon as "Dragon-san" and is loyal to him and is trusted enough to lead the Revolutionary Army's investigation of Donquixote Family's weapons trade. Sabo seems to be well acquainted with Koala, to the point where she knows about his history with Luffy and Ace and his regret about not being able to be at the Battle of Marineford. She also attends his battle at the Corrida Colosseum. However, she is constantly frustrated with his selfish attitude in regards to disobeying orders as seen when she berates him for potentially drawing the ire of the Marines by fighting one of their Admirals. Due to Sabo being a part of the Revolutionaries, he is an enemy of the Marines, but more specifically, the World Government. As such he stopped Admiral Fujitora and his forces from advancing after Luffy[10] and clashed with the blind Admiral. Surprisingly despite this enmity, he wishes the blind admiral good luck with his dangerous gamble to leave the Heavenly Demon's defeat in the hands of pirates. Having personally witnessed the Nobles of his home in the Goa kingdom, Sabo bears deep hatred towards nobles. Having learned of their attempts to kill all the people in the Gray Terminal, Sabo was the only person in the whole kingdom to try to save the people living there and was shocked and disgusted seeing that everyone in the kingdom knew what was happening but did nothing to help. He himself even told Dragon how he was ashamed of ever been born as one. Realizing he'll never be free of them, Sabo attempted to leave his home to make sure he'd never become like them. His hatred may not be absolute, it is unknown what he thinks of Nobles who are good to their people, like Dalton, Cobra, or Vivi, and more recently, the Riku family.