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The Sagi who began to lead the Bird Country after his father's death was actually Toki. Sagi had been poisoned shortly after his father and died as well. Toki grew greatly saddened by their deaths and was about to take her own life when the spirit of her brother appeared and convinced her not to. Toki then decided to impersonate her brother and bring their killer to justice. In the guise of Sagi she maintained her distant personality all the while using the Noroimusha armor to root out the killers.

Konoha ninja came to investigate the Noroimusha and fought the "spirit" on several occasions, revealing no one inside the armor when it was defeated. When Naruto managed to reveal that the daimyou's advisor Mousou was actually a wandering ninja named Houki, they two did battle. Houki was getting the upper hand and managed to submerge Naruto and almost drown him. Sagi appeared to Naruto though and told him to save Toki who was about to be killed by Houki. Naruto saved Toki and defeated Houki. When Naruto told Toki he had seen her brother in a dream, she was shocked to see that the words he said were relevant to their past together, showing it was not a dream and was her brother. She took her brothers words to heart about living a full life and helping the country. Toki then asked the country's forgiveness for impersonating Sagi, and became the legitimate head of the country. Thinking over the events the Konoha ninja then surmised the Noroimusha they fought several times really was a ghost, being spirit Sagi who animated the armor.

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Sajin participated in the invasion of Konoha by Sound and Sand. He was a member of a team captured by Nara Shikaku's Kage Kubi Shibari jutsu.

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The young Sasori could not stand to be away from his deceased parents so he made puppet versions of them. Chiyo would inherit the "father" and "mother" puppets when Sasori fled Hidden Sand. Over the years she would add new weapons and enhancements to the puppets. She would bring the puppets out of retirement when her grandson came and captured Gaara the Godaime Kazekage. The father puppet was damaged by the Sandaime Kazekage puppet's iron sand and made unusable.

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The young Sasori could not stand to be away from his deceased parents so he made puppet versions of them. Chiyo would inherit the "father" and "mother" puppets when Sasori fled Hidden Sand. Over the years she would add new weapons and enhancements to the puppets. She would bring the puppets out of retirement when her grandson came and captured Gaara the Godaime Kazekage.

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When Hidden Sand retreated to their home country after their conflict with Leaf, Satetsu was with the group which found the corpse of their assassinated Kazekage.

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Sazanami's real name was Touichi, he dropped his real name once he fled the village. "Sazanami" now wandered the country. In one village he saw wanted posters for the man he saw that horrible night. He pledged to track him down and became a bounty hunter, using the sword he had made for the dead family in his bounty hunts. During his travels he became injured with three scars on his face. He tracked down Gosunkugi to a small border town.

There he met the team of Naruto, Kiba and Hinata, who had been charged with capturing the thief Gosunkugi. When thugs attempted to attack the trio, Sazanami stepped in and protected them. Naruto became enamored with the man. When he learned that they sought Gosunkugi as well, he led them out of town and then knocked them out. He then left to finally capture his target. He followed his prey into some canyons, but was surrounded by Gosunkugi's men. Gosunkugi then used his nails to injure Sazanami. The Konoha trio tracked them down and saw to Sazanami's wounds.

Sazanami told the group what had happened to him in the past, and they told him to remain behind while they caught Gosunkugi. He protested, wanting to go but he was too weak to travel. A bounter hunter name Gatsu had tracked down Sazanami, wanting to collect the reward which had been placed on his head for the murders. He let him be though, stating it would be to easy to take Sazanami in that state. He would follow the Konoha ninja and then take Gosunkugi when they went after him.

The Konoha trio tracked down Gosunkugi as he sought a large gold temple bell. His men fought the ninja and Sazanami arrived to lend help. The henchmen were a delaying move though, allowing Gosunkugi to escape with the stolen bell. They gave chase and Gosunkugi managed to stop Naruto, Kiba and Hinata from following. Sazanami managed to get on to Gosunkugi's fleeing boat and capture him. But then he himself was suddenly wrapped in chains, caught by Gatsu and temple guards.

Sazanami was brought before the country head and Sazanami's home villagers who wanted him in revenge for the deaths of the family. He scolded them and said their anger was misplaced. Gosunkugi had confessed and Touichi was now an innocent man. All thanks to Gatsu, who wanted to insure that a wanted man was really guilty and that a fellow worthy hunter in Touichi did not get screwed by the system.

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Shitenshounin were successfully in imprisoning Gaara and withdrawing some of Shukaku's chakra. Shitenshounin's leader Houki then provided his body as the medium for Seimei's return. Seimei was happy to be revived and utilized the weapons of Shitenshounin in his battle against Gaara. Seimei boasted and shrugged off many of Gaara's attacks, however Gaara would not be beaten. Drawing in his hardest mineral sand, Gaara formed a spear which he launched into Seimei's chest, snuffing out his existence once again.

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Sekka and Ryoukan worked on Kankurou after he was poisoned by Sasori. They were unable to counteract the poison but they assisted Sakura when she removed it.

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Setsuna and his partners moved to kill Shion, the High Priestess of the Demon Country. Yomi gave Setsuna and his partners dark chakra from Mouryou, the demon. This greatly enhanced their chakra and abilities. Setsuna failed to kill Shion when she was protected by ninja from Konoha. When Setsuna launched another attack against Shion, Konoha was able to deduce a way to use up their gifted powers. After this he squared off against Rock Lee and was defeated in battle.

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When the rightful heir of the Moon Country, Michiru, returned with ninja from Konoha, Shabadaba sought to end their threat. He directed his ninja to capture Michiru and sought to execute him. Michiru was saved and Shabadaba was furious with his ninja, yelling for their leader Ishidate to kill them. An enraged Ishidate turned to grab Shabadaba, failing to recognize he had his petrification powers activated. Shabadaba was turned to stone and destroyed, ending his threat.

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Shibuki was taught Ninjutsu by the Waterfall ninja Suien. When Suien bretrayed his village, Shibuki had a hard time believing Suien could attack his home village. Seeing Naruto fight back against the attackers, Shibuki gained enough courage to fight back against them. Drinking some of the Hero Water, he fought his former teacher. Suien was more skilled though and injured the young ninja. Though Naruto would go on to defeat Suien, Naruto believed Shibuki had shown true courage and could be a leader the village could depend on.

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Shinnou sought to secretly utilize the Reibi, and use its power to bolster his own abilities. He implanted the being into Amaru with the goal to remove it in the future and use its dark chakra for his own purposes. After taking on the Reibi's power for his own, he was defeated in battle by Uchiha Sasuke and Uzumaki Naruto. With its new host now weak, the Reibi returned to its own control, killing Shinnou.

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Because of her power, Shion grew detached from the world. When Yomi, one of Mouryou's top generals sought to free the demon, he also dispatched his men to kill the one person capable of stopping Mouryou, the current priestess. Shion was able to escape with the help of her bodyguard Taruho. Ninja from Konoha were able to assist in protecting Shion. When Taruho gave up his life to save Shion, she reacted coldly.

She predicted Naruto's death but he helped change the young woman's outlook on life and the two worked together to help defeat Mouryou once and for all. Shion was able to awaken her true powers and added her special chakra to Naruto's own to make a giant Rasengan. The attack was successful in destroying Mouryou and Shion became further smitten with the clueless Naruto, asking him to help father a priestess heir for the country in the future.

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Shiore and his two teammates were killed by Orochimaru. His identity was personally assumed by Orochimaru, who used the body to secretly take part in the Chuunin Exam and place the Cursed Seal on Sasuke's neck. Hidden Leaf Chuunin Examiners eventually found their faceless bodies, alerting Mitarashi Anko that the Legendary Sannin Orochimaru had returned.

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Shisou and Yotaka assisted Akahoshi in the murder of "Sandaime Hoshikage" after he banned the star chakra training. With the Hoshikage out of the way, Akahoshi assumed leadership of the village.

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Shizuku and her partners moved to kill Shion, the High Priestess of the Demon Country. Yomi gave Shizuku and her partners dark chakra from Mouryou, the demon. This greatly enhanced their chakra and abilities. Shizuku failed to kill Shion when she was protected by ninja from Konoha. When Shizuku launched another attack against Shion, Konoha was able to deduce a way to use up their gifted powers. After this she squared off against Sakura and was defeated in battle.

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After gaining courage, Shibuki confronted Suien and the two men fought. Suien injured Shibuki and took the Hero Water. Though drinking it gave him much power, his actions angered Naruto. Accessing the Kyuubi's chakra, Naruto fought Suien and defeated him. The effects of the Hero Water greatly wear down a ninja, it is unknown if Suien is still alive.

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Suiko remained to face Gaara personally while his teammates moved into position. His power and chakra absorbing armor allowed him to avoid many of Gaara's powerful attacks. Lee arrived in time to assist but became injured in the process. Gaara was hit by a sealing water jutsu which caused him to lose full control of his sand. To get around this sealing, Gaara used his own sand armor to create a spear. He then threw the spear, which impaled and killed Suiko.

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Sumaru and his fellow ninja used the chakra enhancing meteor to increase their powers. The meteor was important to Sumaru because it was said his parents died 10 years previously protecting it. When the meteor was stolen by a masked individual, he was set on retrieving it.

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Sumashi came to reinforce comrades who fell in battle to Kakashi and his teammates. When he went to attack Kakashi and Rin, the Fourth Hokage use his Hiraishin technique to travel to their location to kill Sumashi and his comrades.