Iwazō

is a shinobi from Iwagakure and along with his siblings, made up the Three Brothers group.

Personality
From indications, Iwazo seems to be very aggressive and brutish unwilling to let his target escape him.

Appearance
He bears great resemblance to his eldest brother, in that they are both very muscular, albeit Iwazo is a lot more stocky, and they both have shaved head and wear spiked, black, wristbands. He has dark marking around his eyes and wears the standard Iwagakure flack jacket, without a shirt underneath, but still wears the traditional pants and lapel, with sandals. He also wears bandages around his arms.

Abilities
He possesses skill with Earth Release techniques able to use the Earth Release: Earth-Rock Obstacle technique to trap his opponents.

Adventures at Sea Arc
Pursuing Kosuke Maruboshi who had stolen intel that was seemingly vital to a scheme that Iwagakure was plotting, they finally corner him. However, as he escapes, Iwazo uses the Earth Release: Earth-Rock Obstacle technique to trap him. As the three brothers surround Kosuke plotting to interrogate him for intelligence on Konohagakure, they are thwarted by Team Asuma and their Formation Ino–Shika–Chō.