Chōseki

is a missing-nin from Iwagakure, and formerly holding the rank of chūnin.

Background
Chōseki and Gantetsu eventually defected from Iwagakure, heading to Tanzaku Quarters to seek a more luxurious life.

Personality
He does whatever he wants and picks fights with everyone, relying on Gantetsu to protect him.

Appearance
Chōseki is a middle-aged man, thick and burly features, and has shaved his head bald. He wore a black suit with tie and a white shirt underneath.

Search for Tsunade Arc
He and Gantetsu were eventually defeated by Jiraiya's Rasengan when they attempted to intimidate Naruto Uzumaki.