Kakoi

is a member of the Konoha Barrier Team.

Background
When someone unknown penetrates into Konoha and was able to pass through a special barrier, Kakoi arrives at the Third Hokage along with Kakashi Hatake, and informs the latter about the penetration, giving him a map where the area of ​​​​the stranger's arrival - the Uchiha region - was marked. The Third Hokage assigns Kakashi a mission to monitor the area.

Personality
Kakoi is a conscientious person who is concerned about the welfare of the village. He is perceptive, as he immediately noted that only those who are allowed to do so, or traitors, can pass through the barrier that can be installed around the village.

Appearance
Kakoi has shoulder-length brown hair and unique markings under his eye. He wears a high-collared white tunic and white hat.

Abilities
By using Water Release, Kakoi was able to erect an immense Sensing Barrier with the help of others, which allowed him to monitor the situation in Konohagakure.

Pain's Assault
He was first seen monitoring the village's Sensing Water Sphere when Pain's assault on Konoha begins and mobilised the first responders.

Trivia

 * When Kakoi's name is written as, it means "enclosure".
 * Despite the fact that when he appeared in the anime during the events of the Uchiha massacre, where he was approximately 30 years old, his appearance is exactly the same as during Pain's invasion, where Kakoi's age was close to 40 years old