Sannin (Sigma)

Sannin is the collective name of three renowned ninja from Konohagakure, who are hailed as three of the greatest shinobi of their time. While all three eventually left the village at some point for their own reasons, they all retained their renown from the title of Legendary Three Ninja (伝説の三忍, Densetsu no Sannin).

Now, the Sannin are concealed of a main cell, and split into two other ones. Creating a none slot Sannin team. The members are from all over, but base their operations in Takigakure (Sigma). They run throughout the shinobi world, accepting missions that only the cells can complete.