A sadistic and insane man from the pits of hell with one thing on his mind "who is Ichi" and "where can I find him?" 

 Ichi is a cowardly man-until he's pushed into a mental breakdown and becomes a ruthless killer. When he gets mixed up with the sadomasochistic yakuza boss Kakihara, it triggers an orgy of blood and unmatched depravity.
<br><br> (Source: Seven Seas)

A masochistic mobster meets his match in the dark streets of Tokyo. His nemesis, Ichi, is a psychopathic killer with an unrelenting thirst for bloodshed. A horrifying secret burns in his mind, and his hands deal death without mercy. At last, the shrouds of mystery are parted to reveal the origin of the monster. The city will know its greatest fear at the unveiling of Ichi the Killer.
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(Source: Anime News Network)

Takashi Miike is a Japanese film director, film producer and screenwriter. He has directed over one hundred theatrical, video, and television productions since his debut in 1991. His films run through a variety of different genres, and range from violent and bizarre to dramatic and family-friendly movies. He is a controversial figure in the contemporary Japanese cinema industry, with several of his films being criticised for their extreme graphic violence. Some of his best known films are Audition, Ichi the Killer, Gozu, One Missed Call, the Dead or Alive trilogy, and various remakes: Graveyard of Honor, Hara-kiri and 13 Assassins. 

Kakihara Masao