Hachi

Hachi (八, Hachi) or "Tochi" (土地, Tochi) is a hawk and the personal summon of Hanae.

Background
Hachi is a messenger hawk in the Konoha Aviary, where he delivers messages, and also rests after each delivery. As the aviary was destroyed during the Pain's Invasion, Hachi was taken by Hanae and eventually became her personal summon through a contract.

Appearance
Hachi resembles a normal hawk with brown plumage, relatively short, broad wings and a long tail. He is also described to have pale-yellow eyes, which when in adulthood they are dark red. Upon becoming a personal summon, which occurred in unknown conditions, he had a small blue message bag on his back, held by a strap around his neck. The content in the message bag is later replaced by explosive tags which Hanae uses.

Abilities
He is a notably fast messenger bird, one of the fastest in Konohagakure. After becoming a personal summon, he learns how to carry explosive tags with himself. Besides this, Hachi is also said to be skillful in stealing light weapons straight from somebody's hand.

Pain's Invasion (Arc)
Before the invasion itself starts, Hanae is sent to the aviary to deliver a message. Then, at the moment she sees Hachi, she decides to take an eye on him later, as he reminded her of "something important".

After the aviary is destroyed, Hachi is taken by Hanae and becomes her personal summon.

Five Kage Summit
Hachi appears in the arc.

Fourth Shinobi World War: Confrontation
Hachi appears in the arc.

The Last: Naruto the Movie
Hachi makes an appearance.

Trivia

 * Hachi (八) means "eight" in Japanese, while his given nickname Tochi (土地) means "land".
 * Before Hanae, Hachi was Seiji's personal summon.
 * Both Arai and Hachi appear in the same episode and chapter.

Reference
All Naruto characters belong to Masashi Kishimoto. All the data and stuff is taken either from the Narutopedia or Wikipedia. This character belongs to @eiraoix on Fanfiction.net.