Race: Modified Human Affiliation: Union Occupation: DA-5 First Appearance: Chapter 107  Hammer [is] a modified human and a member of the special forces team within the Union known as DA-5.   Although he has violent tendencies at a level near Shark's (although never expressed facially), he is logical enough to avoid trouble and can use situations to his advantage, no matter how cowardly it may be. Even though he is arrogant of his strength, also accepts his defeat when facing a stronger opponent in order to survive. He does not hesitate to take hostages or harm even females. However, to his misfortune, when battling Seira , he believes that since she is a female, she will be an easy defeat. This [was an] understatement of Seira's powers.  As a member of DA-5, Hammer can be assumed as skilled fighter with or without his weapons. Hammer is a weapons specialist but can also indulge in combat if needed. He has been shown to use a wide variety of explosives when battling, which became a problem when arriving in South Korea for DA-5, because as Tao stated, the city is peaceful and full of civilians so he could not run free firing explosives as he usually likes to do during missions.  He also used a very heavy type of gun when battling Seira.﻿ Other of his equipment include a poison gases and sleeping gases. Like other members of DA-5, Hammer can also improve his skills by eating the drug, 'D'. 

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Not to be confused with CG Director [Hiroki Yamada](https://anilist.co/staff/146087) (山田裕城).

Hiroki Yamada

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