Ichi

is an antagonist that appears in Naruto Shippūden 3: Inheritors of the Will of Fire. He is a shinobi and one of Hiruko's three followers, along with Ni and San.

Appearance
Ichi is a tall, skinny man that greatly resembles San, with the exception that he only has a single mark on his forehead, and that while Ichi wears his cloak on the right side of his shoulder and straps from the left shoulder going down, San wears them the opposite direction. He has a mark on his back that is the same as the one in Hiruko's left palm. It is unclear if he and San are twins.

Abilities
He possessed a great amount of taijutsu skill as he managed to keep up with Team Guy, dodging Lee's attempts to strike him while using his augmented snake arm to hold off Tenten and Neji's advances. He fought using snake-like creatures merged to his arm using the Chimera Technique. He could use the snakes to form nets to capture and attack multiple enemies. The snakes could also shoot projectiles. According to Neji, he had more than average levels of chakra.

Plot Overview
Ichi is sent by Hiruko stop anyone from interfering with Kakashi Hatake's arrival. He then fights Team Guy and is defeated by Rock Lee's and Neji's combo attack. While down, he is summoned by San, who is absorbed along with Ni to become a giant chimera beast. The Konoha 11, except for Naruto and Sakura, battle the beast and manage to restrain it, until it is summoned by Hiruko. They all meet again and the Konoha 11 defeats it by combining many of their attacks thus killing him.

Trivia

 * means "one"; likewise, his partners' names mean "two" and "three".