These are the three most powerful ninja of Echo's time. Each member represents something that is symboled through a beast and has techniques unique to them.
The Shadowed Puma
Former: Unknown Shapeshifter
The Shadowed Puma represents the ancient art of Ninjutsu itself. Each Shadowed Puma is a master of Shapeshifting.
The Maned Lion
Former: Monk's Master
The Maned Lion represents the heart of battle that drives shinobi to fight. Each Maned Lion is a master of chakra control and draining.
The White Tiger
Current: Echo Uchiha
The White Tiger represents Yin and Yang, the balance of life and death and good and evil. Each White Tiger is a master at smithing chakra and is the top ranked swordsman in the world.
The white tiger usually is the patriach considering their raw power.