Umibozu

Umibozu (海坊主), 

Personality & Appearance
A skinhead who is a tall and large individual with muscular physique and is usually seen in an olive green military uniform and black shade. Despite his fearsome appearance, he has a phobia of cats, especially kittens and is extremely shy with women( he is often blushing).

Plot
He and Ryo have a history dating back to the civil war in Central America and goes by the professional name Falcon, while his real name is Hayato Ijuin (伊集院 隼人) (borrowed from Hayato Ichimonji). His nickname Umibozu was given by Ryo. In the later part of the manga, he loses his sight after his optic nerve was injured and became the shopowner of "Cat's Eye Cafe", though much of his skills still remain.

Angel Heart
Umibozu also appears in Angel Heart, a work based on a parallel world of 'City Hunter'. Proceed to learn more about it.

Abilities
As a mercenary, he is well adept with laying traps and guerilla tactics and seems to be skillful in many other aspects of things as well. As a sweeper, his level is nearly on par with Ryo.

Weapons & Transport
His choice of weapons are heavy weapons like the bazooka, German MG42  and Stielhandgranate 24, but he likes the Smith & Wesson Model 29 six-shot, double-action revolver, which he would choose should there be a duel with Ryo.

His favoruite transport is the, a military-terrain jeep. A Ford

Ryo Saeba(冴羽 獠)
They share a kind of frenemy relationship. As partners, they have joined hands in many cases for the jobs in Japan. In the later part of the manga, though Umibozu was being robbed of his sight by Ryo in an incident, he held no ill-feelings for Ryo and merely accepted it as a Cause & Effect of a conflict.

Miki(美樹)
A beautiful sweeper who is Umibozu's partner and in the later part of the story, his wife. They manage "Cat's Eye Cafe" together. As an orphan from a civil war, she was raised by Umibozu and taught self-defense. When she wanted to join as a mercenary, Umibozu lied to her and left her behind, in order for her to pursue her life as an ordinary woman away from the battlefield. In order to realize her dream of marrying him, she pursued him and reappeared before him in Japan. The turning point in their relationship however was when Umibozu's sight deteriorated, it concluded and fulfilled her wish. Their marriage ceremony is in Vol.35.