Akatsuki
Akatsuki - 暁; Literally meaning "Dawn" or "Daybreak" - is a criminal organization of S-Class missing-nin and is the most wanted group in all of the shinobi world. Their main goal is to collect all of the tailed beasts for their plan of world domination. Akatsuki at any given time is composed of no more than nine primary members, all of whom were S-Class criminals of their own respective villages. Members always work in teams of two, to three, who functions as the organization's spy, and make use of their unique skills to the team's advantage. Team members must function very well or at least to accomplish their task even though they have a mutual problems with each other. The organization is rarely fully assembled.
7 Swordsmen of the Mist
7 Swordsmen of the Mist - 霧の忍刀七人衆, Kiri no Shinobigatana Nananin Shū - is an organization consisting of only the greatest blade-wielding shinobi of their generation that Kirigakure can produce. There can only be seven members at a time, hence the name. The members of the Seven Ninja Swordsmen were the people who came from the Bloody Mist's graduation exams with the greatest battle skills. However, the members also had a great lust for power, causing a failed attempt of assassination, which led many of them to defect and become missing-nin.
The Six Guardian Ninjas
The Six Guardian Ninja - 守護忍十二士, Shugonin Jūnishi were a group of twelve elite warriors who had left their village and had pledged their lives to protect the Fire Daimyo. The members are identified by the "Fire" kanji (火) marked loincloths they wear. Six of the twelve members staged a coup to assassinate the Fire Daimyo, being successful they are soon defeated afterwards, leaving the once proud twelve, to a mere six.
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