Tsuchikage

The is the leader of Iwagakure and as such is the most powerful shinobi in the entire village.

First Tsuchikage
The First Tsuchikage was a member of the Kamizuru clan since Suzumebachi Kamizuru was searching for his forbidden scroll for bug-users and mentions him as her grandfather. He may possibly be one of the founders of Iwagakure.

Current Tsuchikage
There is no information on the current Tsuchikage, but he/she will appear when all five kages meet to discuss the problem of Akatsuki.

טסוצ'יקאגה