is a Japanese

Japanese people

The are an ethnic group originating in the Japanese archipelago and are the predominant ethnic group of Japan. Worldwide, approximately 130 million people are of Japanese descent; of these, approximately 127 million are residents of Japan. People of Japanese ancestry who live in other countries...

 manga artist

Mangaka

is the Japanese word for a comic artist or cartoonist. Outside of Japan, manga usually refers to a Japanese comic book and mangaka refers to the author of the manga, who is usually Japanese...

.

He received the "Tetsuya Chiba

Tetsuya Chiba

is a Japanese manga artist famous for his sports stories.He was born in Tokyo, Japan, but lived most of his early childhood in Manchuria when it was still a Japanese colony during the Second Sino-Japanese War. His father was working in a paper factory during that time they lived in China. One of...

 Award", given to promising young manga

Manga

Manga is the Japanese word for "comics" and consists of comics and print cartoons . In the West, the term "manga" has been appropriated to refer specifically to comics created in Japan, or by Japanese authors, in the Japanese language and conforming to the style developed in Japan in the late 19th...

 creators in 1988. After resigning from the post of assistant of a popular seinen manga artist, Kenshi Hirokane

Kenshi Hirokane

is a Japanese manga artist. He graduated from Waseda University with a degree in law, then worked for Matsushita Electric for four years, before making his manga debut in 1974 with Kaze Kaoru....

, he made his professional debut by drawing "SHEEP" (written by Masahiko Takasho) for Weekly Young Sunday

Weekly Young Sunday

was a weekly manga magazine published by Shogakukan in Japan since the first issue on April 10, 1987. It replaced Shōnen Big Comic in Shogakukan's lineup of shōnen titles, and many of the titles in Shōnen Big Comic were continued in Young Sunday...

 in 1989.

Martial arts

Martial arts

Martial arts are extensive systems of codified practices and traditions of combat, practiced for a variety of reasons, including self-defense, competition, physical health and fitness, as well as mental and spiritual development....

 are his interest.

Recurring themes in his manga are crime

Crime

Crime is the breach of rules or laws for which some governing authority can ultimately prescribe a conviction...

, sexual deviations and human mind.

Before creating Homunculus, Hideo Yamamoto actually lived as a homeless person for sometime in order to be able to credibly include the theme of homelessness

Homelessness

Homelessness describes the condition of people without a regular dwelling. People who are homeless are unable or unwilling to acquire and maintain regular, safe, and adequate housing, or lack "fixed, regular, and adequate night-time residence." The legal definition of "homeless" varies from country...

 in his work.

Notable works

• SHEEP (1989)
• Okama Hakusho (Transvestite Report, 1989–1991) - made into an OVA in 1991.
• Nozokiya (Voyeur, 1992)
• 1 (Ichi) (1993)
• Enjou Kousai Bokumetsu Undou (Compensated Dating Eradication Movement, drawn by Koshiba Tetsuya)
• Shin Nozokiya (Voyeur Inc., 1993–1997)
• Koroshiya Ichi (Ichi the Killer
  Ichi the Killer
  is a 2001 Japanese film directed by Takashi Miike, based on Hideo Yamamoto's manga series of the same name.- Plot : While alone with a prostitute, crime lord Anjo is brutally murdered...
  
  , 1998–2001) - adapted into a movie by Takashi Miike
  Takashi Miike
  is a highly prolific and controversial Japanese filmmaker. He has directed over seventy theatrical, video, and television productions since his debut in 1991. In the years 2001 and 2002 alone, Miike is credited with directing fifteen productions...
  
   in 2001. Also, a prequel
  Prequel
  A prequel is a work that supplements a previously completed one, and has an earlier time setting.The widely recognized term was a 20th-century neologism, and a portmanteau from pre- and sequel...
  
   OVA, explaining the causes of Ichi's misery, was made.
• Homunculus
  Homunculus (manga)
  is a Japanese manga by Hideo Yamamoto, intended for the seinen audience. It is serialized in the magazine Big Comic Spirits.-Plot:Manabu Ito, a rich 22 year old medical student, tows 34 year old Susumu Nakoshi's car in order to convince him to undergo trepanation...
  
  (2003 - 2011 )