Age: 45 Status: Deceased Affiliation: Konohagakure Ninja Rank: J�nin Family: Iruka Umino (son), Kohari Umino (wife) Ikkaku Umino was a shinobi from Konohagakure and father of Iruka. When Iruka's mother was injured while protecting him during the Nine-Tails' Attack on Konoha, he offered to look after her. His father said he would look after her since it was the parent's job to protect their child, not the other way around. He instructed Iruka to flee. Iruka did not listen, forcing other Konoha ninja to drag him away from the battle. His parents were killed by the Nine-Tails. Their names had been added to Konoha's Memorial Stone when they died. (Source: Narutopedia)
Age: 45 Affiliation: Konohagakure Ninja Rank: jounin Shinku Yuuhi is a shinobi from Konohagakure and father of Kurenai. During the Nine-Tails' Attack on Konoha, Shinku was seen placing the young shinobi inside a barrier, informing them that they were to stay out of the fight against the Nine-Tailed Demon Fox, to which his daughter Kurenai voiced her discontentment. Shinku told his daughter that she was a shinobi who may or may not live a long life, and requested of her to live long enough to give him a grandchild whom the Will of Fire could be passed to. (Source: Narutopedia, Naruto Wikia)
As a child, Sora's only known family was his father Kazuma, who he looked up to greatly and wanted to follow in his footsteps, later believing him to have been killed. After his father's presumed death, Sora went to live with the monks of the Fire Temple. At the temple, Sora trained hard in hopes of some day avenging his father and clearing his name, as Sora refused to believe what a horrible man people claimed him to be. (Source: Naruto.wikia)
Akaboshi (アカボシ) is ninja who aims the learn the Tsuchigumo clan's forbidden jutsu. He appears to be the leader of his group. Voiced by Akimitsu Takase. Source: naruto.wikia.com
Fud� was part of the group of grave robbers who dug up four of the dead Twelve Guardian Ninja. He was the brute force of the group, and was usually shown paired up with Fuen.
Gameru is a ninja who possesses one of Iou's prototype ninja tools, Dako. Him along with Kusune came to Iou to get ninja tools but he refused to give some to outsiders. Gameru and Kusune fight Naruto Uzumaki and Neji Hyūga who are no match against Iou's ninja tools. When Iou gives Tenten his latest invention, Jidanda, Tenten easily defeats the two. (source: Narutopedia)
Katazu is a swordsman who took his twin brother Kageki's identity after the accidental death of Shikazo. Kageki had loaned money to Shikazo but after the birth of his child, he asked to be repaid by him but Shikazo refused and a scuffle broke out which resulted him hitting his head on a rock hard enough to kill him. Kageki went to Katazu after that and he took his brother's identity while Kageki and his family went into hiding. Katazu purposely attracted Shikazo's pursuers while they went into hiding. Since then, Tsukado was tasked by his clan to carry out a vendetta against him but failed to defeat Katazu 34 times. The next day, Kanabun brought Katazu to Tsukado to profit off their fight. With Naruto's help, Tsukado was able to get the advantage but Naruto stopped their fight, noticing that Katazu couldn't have killed Shikazo. Katazu reveals the truth to Tsukado and he decides not to kill him. Kanabun and his gang try to force the two to fight again but the swordsmen and Team 7 chase them out of town. (source: Narutopedia)