Tsuchinoto

is a former member of Konohagakure's Anbu faction Root.

Background
To prevent Hiruzen from being reinstated as Hokage, Danzō gave Tsuchinoto and nine other Root members a mission to assassinate him. Disguised as a foreign shinobi, he fought the Anbu accompanying his target, who turned out to be a disguised Kakashi, resulting in the mission's failure.

Personality
Tsuchinoto would always listen and do what Danzō wanted him to do.

Appearance
Tsuchinoto has long, greyish-brown hair that he wears in a high ponytail. He wears a standard Anbu attire, and his mask has dark green markings.

Abilities
As an Anbu, Tsuchinoto is a presumably a powerful shinobi. He wields a sword, hinting he's skilled in kenjutsu.

Trivia

 * is the sixth sign of the Chinese calendar.
 * Tsuchinoto's name was only divulged in a Studio Pierrot Settei of Root members.