Garyō

is the leader of the Ryūha Armament Alliance.

Appearance
Garyō is a man of small build with long, white hair and a beard. He appears to be blind in one of his eyes. He also wears long, firm clothing.

Kakashi Hiden: Lightning in the Icy Sky
After being captured by Naruto, he tells him about the "ultimate justice" that Madara had always dreamed of.