
Tajima Uchiha (うちはタジマ, Uchiha Tajima) was a member of the famed Uchiha clan during the war-torn era, preceding the era of hidden villages. (Source: Narutopedia)
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Tajima Uchiha (うちはタジマ, Uchiha Tajima) was a member of the famed Uchiha clan during the war-torn era, preceding the era of hidden villages. (Source: Narutopedia)

Yakumi Uchiha was a member of the Uchiha clan during the years preceding the Uchiha Clan Massacre. As a member of the Konoha Military Police, he assisted Fugaku Uchiha. He felt a strong affection toward the Uchiha clan and was fiercely loyal to it. (Source: Narutopedia)

Including spoilers. Yashamaru (夜�丸) was a medic-nin, the younger brother of Karura, and thus the uncle of Gaara. At first, Gaara thought that he was the only one that cared about him. Yashamaru taught Gaara about physical pain, emotional pain and love; concepts Gaara was completely unaware of in his childhood. He was commanded by the Fourth Kazekage to assassinate Gaara, but was given the choice in deciding whether he wanted to proceed or not. Yashamaru willingly accepted the command in order to avenge his older sister's premature death. The assassination attempt, however, ended in a desperate suicide mission and ultimately failed. Before he died, he told Gaara that no one had ever really loved him, not even him. This left Gaara even more of an emotional wreck than he already was. His suicide bombing attempt on Gaara's life caused Gaara to become somewhat psychotic. Yashamaru's last words, to Gaara, were "This is it. Please die." Later though, when Gaara meets the fourth Kazekage it is revealed that all Yashamaru had said during his assassination attempt on Gaara was part of his orders from the fourth Kazekage and that he actually cared about Gaara, as did Gaara's mother. (Source: NarutoWiki)

Shigure is a rain Genin from Amegakure. He specailises in using his Chakra control to use needles hidden in umbrellas. Shigure and his team had the unfortunate luck of confronting Gaara's team during the Chunin Exam. Shigure sought their scroll and underestimated Gaara's power. Shigure attempted to use his sprinking needles technique but Gaara's sand protected him. Gaara then took the opportunity to confine Shigure and his team using the desert coffin technique.

A genin from Hidden Rain, Oboro specializes in genjutsu along with his teammates Mubi and Kagari. They are bested by Naruto in the Forest of Death and lose their scroll. They later reappear as hired henchmen attempting to sabotage a race in the Tea Country, only to be bested by Naruto once again.

Kagari (�) is a Genin from Amegakure. (Source: Narutopedia)

Baiu (�イウ) was a Genin from Amegakure. (Source: Narutopedia)