Kôichi Nagano

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Credits
58 titles

Past Film & Video (13 titles)	Opening Weekend	Gross (US & Canada)	Gross (Worldwide)
One Piece Film: Red (2022) Helmeppo (voice) Helmeppo (voice) See fewer	$9.3MM	$13MM	$171MM
One Piece: Stampede (2019) Coby (voice) Coby (voice) See fewer	$358K	$1.3MM	$82MM
One Piece Film Z (2012) Helmeppo (voice) Helmeppo (voice) See fewer			$74MM
Asylum Session (2009) Superintendent (voice) Superintendent (voice) See fewer
Evangelion: 1.0 You Are (Not) Alone (2007) Actor (voice) Actor (voice) See fewer	$2K	$108K	$16MM
Deep Blood (2007) (Video) - Seiji Seiji See fewer
Mazinkaiser vs. Great General of Darkness (2003) Professor Sewashi / Ligern / Mucha (voice) Professor Sewashi / Ligern / Mucha (voice) See fewer
One Piece: Dream Soccer King! (2002) (Short) - Helmeppo (voice) Helmeppo (voice) See fewer
Ah! My Goddess: The Movie (2000) Newscaster (voice) Newscaster (voice) See fewer
Revival of Evangelion (1998) Actor (voice) Actor (voice) See fewer
Neon Genesis Evangelion: The End of Evangelion (1997) Actor (voice) Actor (voice) See fewer	$603K	$1.3MM	$1.6MM
Bakuso Kyodai Let's & Go!! WGP Boso Mini Yonku Dai Tsuiseki! (1997) Actor (voice) Actor (voice) See fewer
Neon Genesis Evangelion: Death & Rebirth (1997) Actor (voice) Actor (voice) See fewer			$16K

See all past film & video

Past Television (37 titles)	Episodes
One Piece (1999–2024) (TV Series) - Helmeppo / Fossa (38 episodes, 1999) Helmeppo / Fossa (38 episodes, 1999) See fewer A New Island! Future Island Egghead (Jan 14, 2024) Season 1, Episode 1,090 - Helmeppo Helmeppo See fewer See more See fewer Loading	38
Black Jack (1993–2018) (TV Mini-series) - Nakamura Nakamura See fewer
One Piece - Episode of East Blue: Luffy and His Four Friends' Great Adventure (2017) (TV Movie) - Helmeppo (voice) Helmeppo (voice) See fewer
One Piece: Episode of Luffy - Adventure on Hand Island (2012) (TV Movie) - Helmeppo (voice) Helmeppo (voice) See fewer
Hunter x Hunter (2011–2012) (TV Series) - Goz (2 episodes, 2011) Goz (2 episodes, 2011) See fewer Explosion × of × Deception (Aug 7, 2016) Season 1, Episode 15 - Goz (voice) (as Koichi Nagano) Goz (voice) (as Koichi Nagano) See fewer Last x Test of x Resolve! (Jul 17, 2016) Season 1, Episode 12 - Goz (voice) (as Koichi Nagano) Goz (voice) (as Koichi Nagano) See fewer	2
Gunslinger Girl: Il Teatrino (2008) (TV Series) - Kaschmann (1 episode, 2008) Kaschmann (1 episode, 2008) See fewer The Tibetan Terrier's Retirement (Feb 11, 2008) Season 1, Episode 6 - Kaschmann (voice) Kaschmann (voice) See fewer	1
Eyeshield 21 (2006) (TV Series) - Performer ("Run to Win!") (1 episode, 2006) Performer ("Run to Win!") (1 episode, 2006) See fewer Episode #1.65 (2006) Season 1, Episode 65 - Performer ("Run to Win!") Performer ("Run to Win!") See fewer	1
Humanoid Monster Bem (2006) (TV Series) - Shigeru Kaidô Shigeru Kaidô See fewer
Beyblade (2001–2005) (TV Series) - Rai Rai See fewer
MegaMan: NT Warrior (2002–2004) (TV Series) - Yuichiro Hikari / Sanukiman (32 episodes, 2002) Yuichiro Hikari / Sanukiman (32 episodes, 2002) See fewer Dr. Regal's Rampage (Dec 9, 2005) Season 2, Episode 51 - Yuichiro Hikari (voice) Yuichiro Hikari (voice) See fewer See more See fewer Loading	32
Madlax (2004) (TV Series) - Resident Employee (1 episode, 2004) Resident Employee (1 episode, 2004) See fewer Double Separation 'Duo' (Aug 2, 2004) Season 1, Episode 18 - Resident Employee (voice) Resident Employee (voice) See fewer	1
Samurai Champloo (2004) (TV Series) - Government Official (1 episode, 2004) Government Official (1 episode, 2004) See fewer Chimimôryô (Jul 21, 2004) Season 1, Episode 9 - Government Official (voice) Government Official (voice) See fewer	1
Gantz (2004) (TV Series) - Yamada (1 episode, 2004) Yamada (1 episode, 2004) See fewer Atarashii asa ga kita (Apr 13, 2004) Season 1, Episode 1 - Yamada (voice) Yamada (voice) See fewer	1
Cromartie High School (2003) (TV Series) - Gas Station Clerk (1 episode, 2003) Gas Station Clerk (1 episode, 2003) See fewer Road Safety (Dec 19, 2003) Season 1, Episode 12 - Gas Station Clerk (voice) (as Kouichi Nagano) Gas Station Clerk (voice) (as Kouichi Nagano) See fewer	1
Avenger (2003) (TV Series) - Kagakusha A / Gakusha A (3 episodes, 2003) Kagakusha A / Gakusha A (3 episodes, 2003) See fewer Goddess (2003) Season 1, Episode 9 - Kagakusha A (voice) Kagakusha A (voice) See fewer See more See fewer Loading	3
Ninja Scroll: The Series (2003) (TV Series) - Samurai B (1 episode, 2003) Samurai B (1 episode, 2003) See fewer Ôchô fukkatsu (Jul 7, 2003) Season 1, Episode 12 - Samurai B (voice) Samurai B (voice) See fewer	1
One Piece: Open Upon the Great Sea! A Father's Huge, Huge Dream! (2003) (TV Movie) - Max (voice) Max (voice) See fewer
.hack//SIGN (2002) (TV Series) - Additional Voices (1 episode, 2002) Additional Voices (1 episode, 2002) See fewer Party (Jun 12, 2002) Season 1, Episode 11 - Additional Voices (voice) Additional Voices (voice) See fewer	1
Inuyasha (2002) (TV Series) - Bat Demon (1 episode, 2002) Bat Demon (1 episode, 2002) See fewer Shiori's Family and Inuyasha's Feelings (Sep 11, 2004) Season 3, Episode 19 - Bat Demon (voice) Bat Demon (voice) See fewer	1
Parappa the Rapper (2001–2002) (TV Series) - Father bird / Chef / King (3 episodes, 2001) Father bird / Chef / King (3 episodes, 2001) See fewer Give Me the PaRappa Hat! (Jan 12, 2002) Season 3, Episode 5 - Father bird (voice) Father bird (voice) See fewer See more See fewer Loading	3
Cyborg 009: The Cyborg Soldier (2001–2002) (TV Series) - Roentgen (3 episodes, 2001) Roentgen (3 episodes, 2001) See fewer Gilmore's Notebook (Apr 7, 2002) Season 1, Episode 26 - Roentgen (voice) Roentgen (voice) See fewer See more See fewer Loading	3
Alien Nine (2001–2002) (TV Mini-series) - Kasumi's Father Kasumi's Father See fewer
Baby Felix (2000–2001) (TV Series) - Dog / Master Cylinder (28 episodes, 2000) Dog / Master Cylinder (28 episodes, 2000) See fewer Yume no hômuran (Jun 29, 2001) Season 1, Episode 65 - Dog (voice) Dog (voice) See fewer See more See fewer Loading	28
Mazinkaiser (2001– ) (TV Series) - Professor Sewashi Professor Sewashi See fewer
FLCL (2000) (TV Mini-series) - Player C (1 episode, 2000) Player C (1 episode, 2000) See fewer Furikiri (Aug 8, 2003) Season 1, Episode 4 - Player C (voice) Player C (voice) See fewer	1
Sensual Phrase (1999–2000) (TV Series) - TV Director / Announcer / Staff / Student / Band Man (6 episodes, 1999) TV Director / Announcer / Staff / Student / Band Man (6 episodes, 1999) See fewer Toppu ran'na (Feb 5, 2000) Season 1, Episode 37 - TV Director (voice) TV Director (voice) See fewer See more See fewer Loading	6
Kyuukyuu Sentai GoGoFive (1999) (TV Series) - Papetongu (1 episode, 1999) Papetongu (1 episode, 1999) See fewer Munasawagi no Hoshizora (Sep 12, 1999) Season 1, Episode 29 - Papetongu Papetongu See fewer	1
Dual! Parallel Trouble Adventure (1999) (TV Series) - Naoya Shiozaki Naoya Shiozaki See fewer
Super Yo-Yo (1998–1999) (TV Series) - Hyper DJ Hyper DJ See fewer
Psychic Force (1998) (TV Mini-series) - Bartender Bartender See fewer
Revolutionary Girl Utena (1997) (TV Series) - Master of Ceremony Master of Ceremony See fewer
Garzey's Wing (1996–1997) (TV Mini-series) - Kurin Kurin See fewer
The Racing Brothers, Lets & Go (1996–1997) (TV Series) - Hikoza Mizusawa Hikoza Mizusawa See fewer
Martian Successor Nadesico (1996) (TV Series) - Keibiin (1 episode, 1996) Keibiin (1 episode, 1996) See fewer 'Otoko rashiku' de ikô! (Oct 1, 1996) Season 1, Episode 1 - Keibiin (voice) Keibiin (voice) See fewer	1
Teenage Mutant Ninja Turtles: Legend of the Supermutants (1996) (TV Mini-series) - News Technician (2 episodes, 1996) News Technician (2 episodes, 1996) See fewer The Coming of the Guardian Beasts - The Metal Turtles Appear! (May 21, 1996) Season 1, Episode 2 - News Technician (voice) News Technician (voice) See fewer The Great Crisis of the Super Turtles! The Saint Appears! (May 21, 1996) Season 1, Episode 1 - News Technician (voice) News Technician (voice) See fewer	2
Mojacko (1996) (TV Series) - Policeman (1 episode, 1996) Policeman (1 episode, 1996) See fewer Rusuban wa tanoshî Moja! (Mar 5, 1996) Season 1, Episode 22 - Policeman (voice) Policeman (voice) See fewer	1
Neon Genesis Evangelion (1995) (TV Series) - Driver / Man (Speaker) / Laborer / Committee Member A / Delivery Man / … (7 episodes, 1995) See more Driver / Man (Speaker) / Laborer / Committee Member A / Delivery Man / Boy A / Man on Plane / Control Staffers C / Control Staffer D / Soldier / Male Operator / Man / Man B / Man on Radio B / Movie Theater Couple (Man) / Boy (7 episodes, 1995) See fewer The Day Tokyo-3 Stood Still (Dec 13, 1995) Season 1, Episode 11 - Driver / Man (Speaker) / Laborer (voice) Driver / Man (Speaker) / Laborer (voice) See fewer See more See fewer Loading	7

See all past television

Other (8 titles)
Exist Archive: The Other Side of the Sky (2015) (Video Game) - Actor (voice) (as Koichi Nagano) Actor (voice) (as Koichi Nagano) See fewer
Sunday vs Magazine: Shuuketsu! Choujou Daikessen! (2009) (Video Game) - Actor (voice) Actor (voice) See fewer
Growlanser: Heritage of War (2006) (Video Game) - Actor (voice) Actor (voice) See fewer
Ace Combat 5: The Unsung War (2004) (Video Game) - Actor (voice) Actor (voice) See fewer
The Super Dimension Fortress Macross (2003) (Video Game) - Zeltradi Soldier A (voice) Zeltradi Soldier A (voice) See fewer
Mega Man Network Transmission (2003) (Video Game) - Yuichiro Hikari (voice) (as Kouichi Nagano) Yuichiro Hikari (voice) (as Kouichi Nagano) See fewer
Carrier (2000) (Video Game) - Actor (voice) (version: Japanese) Actor (voice) (version: Japanese) See fewer
Yukiwari no hana (1998) (Video Game) - Actor (voice) Actor (voice) See fewer