Tsuchikage

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

First Tsuchikage
The Shodai 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.
 * Age: ? (Deceased)
 * Rank: Tsuchikage

Current Tsuchikage
There is no information on the current Tsuchikage, but he/she will appear when all 5 kages meet to discuss the problem of the Akatsuki.