Movies (Acting Roles)

Taisu Project
Koichi Yamadera was
63 in Taisu Project
as 'The Robot (voice)'.
Sat, Aug 10 2024

LUPIN THE 3rd vs. CAT'S EYE
Koichi Yamadera was
61 in LUPIN THE 3rd vs. CAT'S EYE
as 'Inspector Koichi Zenigata (voice)'.
Thu, Apr 20 2023

Shin Ultraman
Koichi Yamadera was
60 in Shin Ultraman
as 'Zōffy (voice)'.
Fri, May 13 2022

DEEMO Memorial Keys
Koichi Yamadera was
60 in DEEMO Memorial Keys
as 'Valensky (voice)'.
Fri, Feb 25 2022

Jujutsu Kaisen 0
Koichi Yamadera was
60 in Jujutsu Kaisen 0
as 'Miguel (voice)'.
Fri, Dec 24 2021

Gintama: The Very Final
Koichi Yamadera was
59 in Gintama: The Very Final
as 'Utsuro / Shouyou Yoshida (voice)'.
Fri, Jan 08 2021

Over the Sky
Koichi Yamadera was
59 in Over the Sky
as 'Gimon (voice)'.
Fri, Nov 27 2020

BEM: BECOME HUMAN
Koichi Yamadera was
59 in BEM: BECOME HUMAN
as 'Manstoll (voice)'.
Fri, Oct 02 2020

A Whisker Away
Koichi Yamadera was
59 in A Whisker Away
as 'Mask Seller (voice)'.
Thu, Jun 18 2020

Lupin III: The First
Koichi Yamadera was
58 in Lupin III: The First
as 'Inspector Koichi Zenigata (voice)'.
Fri, Dec 06 2019

NiNoKuni
Koichi Yamadera was
58 in NiNoKuni
as 'Balton (voice)'.
Fri, Aug 23 2019

Okko's Inn
Koichi Yamadera was
57 in Okko's Inn
as 'Bunta Kise (voice)'.
Wed, Sep 12 2018

Batman Ninja
Koichi Yamadera was
56 in Batman Ninja
as 'Batman / Bruce Wayne (voice)'.
Fri, Jun 15 2018

Life Goes on
Koichi Yamadera was
56 in Life Goes on
as 'Narrator'.
Sat, Mar 03 2018

Gintama
Koichi Yamadera was
56 in Gintama
as 'Yoshida Shoyo (voice)'.
Fri, Jul 14 2017

Cassette Girl
Koichi Yamadera was
54 in Cassette Girl
as 'San-Kun (voice)'.
Fri, Oct 09 2015

Robot on the Road
Koichi Yamadera was
54 in Robot on the Road
as 'Robowo (voice)'.
Fri, Oct 02 2015

Hammerhead
Koichi Yamadera was
54 in Hammerhead
as 'Hammerhead'.
Sat, Jul 25 2015

Bubu & Bubulina
Koichi Yamadera was
54 in Bubu & Bubulina
as '(voice)'.
Sat, Jul 25 2015

Rapid Rouge
Koichi Yamadera was
53 in Rapid Rouge
as 'Harukaze'.
Fri, May 29 2015

Ibuseki Yoruni
Koichi Yamadera was
53 in Ibuseki Yoruni
as '(voice)'.
Fri, May 15 2015

今、ふたりの道
Koichi Yamadera was
53 in 今、ふたりの道
Sun, Mar 08 2015

Yamadeloid
Koichi Yamadera was
53 in Yamadeloid
Fri, Jan 23 2015

20min Walk from Nishi-Ogikubo Station, 2 Bedrooms, Living Room, Dining Room, Kitchen, 2mos Deposit, No Pets Allowed
Koichi Yamadera was
53 in 20min Walk from Nishi-Ogikubo Station, 2 Bedrooms, Living Room, Dining Room, Kitchen, 2mos Deposit, No Pets Allowed
as 'Man (voice)'.
Fri, Dec 12 2014

Carnage
Koichi Yamadera was
53 in Carnage
as '(voice)'.
Fri, Dec 05 2014

ME!ME!ME!
Koichi Yamadera was
53 in ME!ME!ME!
Fri, Nov 21 2014

Hill Climb Girl
Koichi Yamadera was
53 in Hill Climb Girl
as 'Boy (voice)'.
Fri, Nov 14 2014

Possessions
Koichi Yamadera was
52 in Possessions
as 'Man (voice)'.
Fri, Jan 31 2014

Nuigulumar Z
Koichi Yamadera was
52 in Nuigulumar Z
as 'Charlie / De Palza'.
Sat, Jan 25 2014

Short Peace
Koichi Yamadera was
52 in Short Peace
as 'Samurai (segment "Tsukumo") (voice)'.
Sat, Jul 20 2013

Kingdom Hearts 358/2 Days
Koichi Yamadera was
51 in Kingdom Hearts 358/2 Days
as 'Donald Duck (voice) (archive sound)'.
Thu, Mar 14 2013

After School Midnighters
Koichi Yamadera was
51 in After School Midnighters
as 'Kunstlijk / Mozart (voice)'.
Sat, Aug 25 2012

A Letter to Momo
Koichi Yamadera was
50 in A Letter to Momo
as 'Kawa (voice)'.
Sat, Apr 21 2012

Magic Tree House
Koichi Yamadera was
50 in Magic Tree House
as 'Papa'.
Sat, Jan 07 2012

Appleseed XIII: Ouranos
Koichi Yamadera was
50 in Appleseed XIII: Ouranos
as 'Briareos Hecatonchires (voice)'.
Mon, Oct 24 2011

Deadball
Koichi Yamadera was
50 in Deadball
as 'Baseball Announcer'.
Sat, Jul 23 2011

Appleseed XIII: Tartaros
Koichi Yamadera was
49 in Appleseed XIII: Tartaros
as 'Briareos Hecatonchires (voice)'.
Mon, Jun 13 2011

Karate Girl
Koichi Yamadera was
49 in Karate Girl
as 'Opening Narration (voice)'.
Sat, Feb 05 2011

Gintama: The Movie
Koichi Yamadera was
48 in Gintama: The Movie
as 'Yoshida Shouyou (voice)'.
Sat, Apr 24 2010

Yona Yona Penguin
Koichi Yamadera was
48 in Yona Yona Penguin
as 'Archangel (voice)'.
Wed, Dec 23 2009

The River's Light
Koichi Yamadera was
48 in The River's Light
as '父亲'.
Sat, Jun 20 2009

Yatterman
Koichi Yamadera was
47 in Yatterman
as 'Yatterwoof / Yatterking / Odate-Buta / Narrator (voice)'.
Fri, Feb 06 2009

Megumi
Koichi Yamadera was
46 in Megumi
as 'Shigeru Yokota (voice)'.
Fri, Mar 28 2008

Appleseed: Ex Machina
Koichi Yamadera was
46 in Appleseed: Ex Machina
as 'Brialeos Hecatombcales (voice)'.
Fri, Oct 19 2007

Sword of the Stranger
Koichi Yamadera was
46 in Sword of the Stranger
as 'Luo-Lang (voice)'.
Sat, Sep 29 2007

Paprika
Koichi Yamadera was
45 in Paprika
as 'Morio Osanai (voice)'.
Sat, Oct 21 2006

Suite Dreams
Koichi Yamadera was
44 in Suite Dreams
as 'Dabudabu Duck (voice)'.
Sat, Jan 14 2006

Stormy Night
Koichi Yamadera was
44 in Stormy Night
as 'Barry (voice)'.
Sat, Dec 10 2005

Godzilla: Final Wars
Koichi Yamadera was
43 in Godzilla: Final Wars
as 'Narrator (voice)'.
Sat, Dec 04 2004

Movie box-ing
Koichi Yamadera was
43 in Movie box-ing
Sat, Oct 30 2004

Tokyo Godfathers
Koichi Yamadera was
42 in Tokyo Godfathers
as 'Taxi Driver (voice)'.
Fri, Dec 05 2003

Millennium Actress
Koichi Yamadera was
41 in Millennium Actress
as 'The Man of the Key (voice)'.
Sat, Sep 14 2002

Pokémon Heroes
Koichi Yamadera was
41 in Pokémon Heroes
as 'Rossi (voice)'.
Sat, Jul 13 2002

Sakura Wars: The Movie
Koichi Yamadera was
40 in Sakura Wars: The Movie
as 'Brent Furlong (voice)'.
Sat, Dec 22 2001

Cowboy Bebop: The Movie
Koichi Yamadera was
40 in Cowboy Bebop: The Movie
as 'Spike Spiegel (voice)'.
Sat, Sep 01 2001

Pokémon 4Ever
Koichi Yamadera was
40 in Pokémon 4Ever
as 'Hunter (voice)'.
Fri, Jul 06 2001

Pokémon 3: The Movie
Koichi Yamadera was
39 in Pokémon 3: The Movie
as 'David (voice)'.
Sat, Jul 08 2000

Revival of Evangelion
Koichi Yamadera was
36 in Revival of Evangelion
as 'Ryoji Kaji (voice)'.
Sat, Mar 07 1998

DNA Sights 999.9
Koichi Yamadera was
36 in DNA Sights 999.9
as 'Harlock (voice)'.
Thu, Jan 01 1998

X: The Movie
Koichi Yamadera was
35 in X: The Movie
as 'Sorata Arisugawa'.
Fri, Aug 02 1996

Memories
Koichi Yamadera was
34 in Memories
as 'Miguel Costrela (voice)'.
Sat, Dec 23 1995

Compiler Festa
Koichi Yamadera was
34 in Compiler Festa
Thu, Dec 21 1995

Ghost in the Shell
Koichi Yamadera was
34 in Ghost in the Shell
as 'Togusa (voice)'.
Sat, Nov 18 1995

Tokyo Revelation
Koichi Yamadera was
33 in Tokyo Revelation
as 'Kuki Takehiko (voice)'.
Fri, Apr 21 1995

Darkside Blues
Koichi Yamadera was
33 in Darkside Blues
as 'Enji (voice)'.
Sat, Oct 08 1994

Compiler
Koichi Yamadera was
32 in Compiler
as 'Nachi Igarashi (voice)'.
Sat, Mar 05 1994

Suikoden Demon Century
Koichi Yamadera was
32 in Suikoden Demon Century
as 'Ryou Hamura (voice)'.
Sat, Sep 25 1993

Mermaid's Scar
Koichi Yamadera was
32 in Mermaid's Scar
as 'Yūta'.
Fri, Sep 24 1993

The Gigolo: Dochinpira
Koichi Yamadera was
32 in The Gigolo: Dochinpira
as 'Jin Kaitō (voice)'.
Fri, Aug 27 1993

Sleepless Oedo
Koichi Yamadera was
32 in Sleepless Oedo
as 'Bentenyama, Kikunosuke'.
Fri, Jul 23 1993

Ninja Scroll
Koichi Yamadera was
31 in Ninja Scroll
as 'Jubei Kibagami'.
Sat, Jun 05 1993

Talking Head
Koichi Yamadera was
31 in Talking Head
as 'Shinichiro Otsuka (voice)'.
Sat, Oct 10 1992

OZ
Koichi Yamadera was
31 in OZ
Fri, Aug 28 1992

Run, Melos!
Koichi Yamadera was
31 in Run, Melos!
as 'Melos (voice)'.
Sat, Jul 25 1992

Moonlight Pierce
Koichi Yamadera was
30 in Moonlight Pierce
as 'Demon Prince (voice)'.
Sat, Dec 14 1991

Detonator Orgun
Koichi Yamadera was
30 in Detonator Orgun
as 'Orgun / Tomoru Shindo (voice)'.
Sun, Aug 25 1991

Mermaid Forest
Koichi Yamadera was
30 in Mermaid Forest
as 'Yûta'.
Fri, Aug 16 1991

Ariel Deluxe
Koichi Yamadera was
29 in Ariel Deluxe
as 'Demonova'.
Sun, Apr 21 1991

I am Devilman, the Devil!
Koichi Yamadera was
29 in I am Devilman, the Devil!
as 'Baron Ashra (Male)/Baron Ashura (Male) (voice)'.
Wed, Feb 20 1991

Nineteen 19
Koichi Yamadera was
29 in Nineteen 19
as 'Kazuya Kawahara (voice)'.
Fri, Jul 27 1990

Goddamn
Koichi Yamadera was
28 in Goddamn
as 'Gen Todoroki'.
Fri, Apr 27 1990

MAROKO
Koichi Yamadera was
28 in MAROKO
as 'Bannai (voice)'.
Mon, Mar 19 1990

Bucchigiri
Koichi Yamadera was
28 in Bucchigiri
Fri, Oct 27 1989

Kiki's Delivery Service
Koichi Yamadera was
28 in Kiki's Delivery Service
as 'Bakery Worker / Policeman (voice)'.
Sat, Jul 29 1989

Venus Wars
Koichi Yamadera was
27 in Venus Wars
as 'Jeff'.
Sat, Mar 11 1989

Utsunomiko
Koichi Yamadera was
27 in Utsunomiko
Sat, Mar 11 1989

Goku: Midnight Eye
Koichi Yamadera was
27 in Goku: Midnight Eye
as 'Coroner (voice)'.
Fri, Jan 27 1989

Ten Little Gall Force
Koichi Yamadera was
27 in Ten Little Gall Force
as 'Commander Dorn / Kennichi Shonora / OX-11 (voice)'.
Sun, Jul 03 1988

Megazone 23
Koichi Yamadera was
23 in Megazone 23
as 'Shinji Nakagawa (voice)'.
Sat, Mar 09 1985

LUPIN THE IIIRD THE MOVIE
Koichi Yamadera will be
63+ in LUPIN THE IIIRD THE MOVIE
as 'Inspector Koichi Zenigata (voice)'.
Unreleased
TV Shows (Acting Roles)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Ranma1/2
Koichi Yamadera was
63+ in Ranma1/2
as 'Jusenkyo Guide (voice), Ryoga Hibiki (voice), Ryoga Hibiki / Jusenkyo Guide (voice)'.
First Air Date
Sun, Oct 06 2024

Ishura
Koichi Yamadera was
62+ in Ishura
as 'Shalk the Sound Slicer (voice)'.
First Air Date
Wed, Jan 03 2024

PLUTO
Koichi Yamadera was
62+ in PLUTO
as 'North No.2 (voice)'.
First Air Date
Thu, Oct 26 2023

My Home Hero
Koichi Yamadera was
61+ in My Home Hero
as 'Shino (voice)'.
First Air Date
Sun, Apr 02 2023

Arknights
Koichi Yamadera was
61+ in Arknights
as 'Wei Yenwu (voice)'.
First Air Date
Sat, Oct 29 2022

Shin Ultra Fight
Koichi Yamadera was
60+ in Shin Ultra Fight
as 'Narrator (voice)'.
First Air Date
Sat, May 14 2022

Baki Hanma
Koichi Yamadera was
60+ in Baki Hanma
as 'Lips, Teeth, Tongue (voice)'.
First Air Date
Thu, Sep 30 2021

Eden
Koichi Yamadera was
59+ in Eden
as 'Zero (voice)'.
First Air Date
Thu, May 27 2021

Voice Spring!
Koichi Yamadera was
59+ in Voice Spring!
as 'Genmai Odawara'.
First Air Date
Thu, Apr 29 2021

GLOOMY The Naughty Grizzly
Koichi Yamadera was
59+ in GLOOMY The Naughty Grizzly
as 'Gloomy (voice)'.
First Air Date
Mon, Apr 12 2021

MARS RED
Koichi Yamadera was
59+ in MARS RED
as 'Tokuichi Yamagami (voice)'.
First Air Date
Tue, Apr 06 2021

Listeners
Koichi Yamadera was
58+ in Listeners
as 'Kevin Valentine (voice)'.
First Air Date
Sat, Apr 04 2020

Mistress
Koichi Yamadera was
57+ in Mistress
as '[Voice - Juri's father]'.
First Air Date
Fri, Apr 19 2019

gen:LOCK
Koichi Yamadera was
57+ in gen:LOCK
as 'Kazu Iida (voice)'.
First Air Date
Sat, Jan 26 2019

宇宙戦艦ヤマト2202 愛の戦士たち
Koichi Yamadera was
57+ in 宇宙戦艦ヤマト2202 愛の戦士たち
as 'アベルト・デスラー'.
First Air Date
Sat, Oct 06 2018

Super Dragon Ball Heroes
Koichi Yamadera was
57+ in Super Dragon Ball Heroes
as 'Beerus (voice)'.
First Air Date
Sun, Jul 01 2018

Pop Team Epic
Koichi Yamadera was
56+ in Pop Team Epic
as '(voice)'.
First Air Date
Sun, Jan 07 2018

The Dragon Dentist
Koichi Yamadera was
55+ in The Dragon Dentist
as 'Godo (voice)'.
First Air Date
Sat, Feb 18 2017

Inspector Zenigata
Koichi Yamadera was
55+ in Inspector Zenigata
as 'Jozaburo Fuchigami'.
First Air Date
Fri, Feb 10 2017

彼岸島X
Koichi Yamadera was
55+ in 彼岸島X
First Air Date
Sat, Oct 15 2016

Showa Genroku Rakugo Shinju
Koichi Yamadera was
54+ in Showa Genroku Rakugo Shinju
as 'Sukeroku Yuurakutei (voice)'.
First Air Date
Sat, Jan 09 2016

Angel Heart
Koichi Yamadera was
54+ in Angel Heart
as 'Holly'.
First Air Date
Sun, Oct 11 2015

Dragon Ball Super
Koichi Yamadera was
54+ in Dragon Ball Super
as 'Beerus (voice)'.
First Air Date
Sun, Jul 05 2015

Yuyake Dandan
Koichi Yamadera was
53+ in Yuyake Dandan
as 'Kotobuki (voice)'.
First Air Date
Wed, Apr 01 2015

Japan Animator Expo
Koichi Yamadera was
53+ in Japan Animator Expo
as '(voice)'.
First Air Date
Fri, Nov 07 2014

Nobunaga Concerto
Koichi Yamadera was
53+ in Nobunaga Concerto
as 'Yasuke (voice)'.
First Air Date
Sat, Jul 12 2014

Insufficient Direction
Koichi Yamadera was
52+ in Insufficient Direction
as 'Director-kun (voice)'.
First Air Date
Fri, Apr 04 2014

SHORT PEACE
Koichi Yamadera was
52+ in SHORT PEACE
as 'Samurai(voice), Samurai'.
First Air Date
Tue, Jul 30 2013

Sword Art Online
Koichi Yamadera was
51+ in Sword Art Online
as 'Akihiko Kayaba (voice)'.
First Air Date
Sun, Jul 08 2012

Hunter x Hunter
Koichi Yamadera was
50+ in Hunter x Hunter
as 'Silva (voice)'.
First Air Date
Sun, Oct 02 2011

Appleseed XIII
Koichi Yamadera was
50+ in Appleseed XIII
as 'Briareos (voice)'.
First Air Date
Wed, Jul 06 2011

URAKARA
Koichi Yamadera was
49+ in URAKARA
as 'opening narration'.
First Air Date
Fri, Jan 14 2011

Stitch!
Koichi Yamadera was
47+ in Stitch!
as 'Stitch, Yuna's Father'.
First Air Date
Wed, Oct 08 2008

Allison & Lillia
Koichi Yamadera was
46+ in Allison & Lillia
as 'Carr Benedict (voice)'.
First Air Date
Thu, Apr 03 2008

The Fantastic Deer-Man
Koichi Yamadera was
46+ in The Fantastic Deer-Man
as 'the voice of the deer'.
First Air Date
Thu, Jan 17 2008

Yatterman
Koichi Yamadera was
46+ in Yatterman
as 'Yatterwan / Narrator (voice)'.
First Air Date
Mon, Jan 14 2008

Sylvanian Families
Koichi Yamadera was
46+ in Sylvanian Families
as 'Kurumi Risu Otosan / Cedric Walnut (voice)'.
First Air Date
Wed, Jun 20 2007

Oh! Edo Rocket
Koichi Yamadera was
45+ in Oh! Edo Rocket
as 'Ginjiro'.
First Air Date
Tue, Apr 03 2007

Fist of the Blue Sky
Koichi Yamadera was
45+ in Fist of the Blue Sky
as 'Kenshiro Kasumi (voice)'.
First Air Date
Thu, Oct 05 2006

Gintama
Koichi Yamadera was
44+ in Gintama
as 'Yoshida, Shouyou (voice)'.
First Air Date
Tue, Apr 04 2006

Bleach
Koichi Yamadera was
43+ in Bleach
as 'Quilge Opie (voice)'.
First Air Date
Tue, Oct 05 2004

Mermaid's Forest
Koichi Yamadera was
42+ in Mermaid's Forest
as 'Yuta(voice)'.
First Air Date
Sun, Oct 05 2003

Bakuryu Sentai Abaranger
Koichi Yamadera was
41+ in Bakuryu Sentai Abaranger
as 'Densuke Hamasaki'.
First Air Date
Sun, Feb 16 2003

M-1 Grand Prix
Koichi Yamadera was
40+ in M-1 Grand Prix
First Air Date
Tue, Dec 25 2001

The Tree In Sunlight
Koichi Yamadera was
38+ in The Tree In Sunlight
as 'Tezuka Ryoan'.
First Air Date
Tue, Apr 04 2000

Daa! Daa! Daa! UFO Baby
Koichi Yamadera was
38+ in Daa! Daa! Daa! UFO Baby
as 'Yuzuhiko (voice)'.
First Air Date
Tue, Mar 28 2000

Reign: The Conqueror
Koichi Yamadera was
38+ in Reign: The Conqueror
as 'Darius III (voice)'.
First Air Date
Tue, Sep 14 1999

Saiyuki
Koichi Yamadera was
37+ in Saiyuki
as 'Sha Gojyo (voice)'.
First Air Date
Fri, Apr 23 1999

Queen Emeraldas
Koichi Yamadera was
36+ in Queen Emeraldas
as 'Tochiro Oyama (voice)'.
First Air Date
Fri, Jun 05 1998

Cowboy Bebop
Koichi Yamadera was
36+ in Cowboy Bebop
as 'Spike Spiegel / Ein (voice)'.
First Air Date
Fri, Apr 03 1998

Photon: The Idiot Adventures
Koichi Yamadera was
36+ in Photon: The Idiot Adventures
as 'Papacharino Nanadan (voice)'.
First Air Date
Fri, Nov 21 1997

Apocalypse Zero
Koichi Yamadera was
35+ in Apocalypse Zero
as 'Kakugo Hagakure (voice)'.
First Air Date
Fri, Oct 18 1996

Shamanic Princess
Koichi Yamadera was
34+ in Shamanic Princess
as 'Kagetsu (voice)'.
First Air Date
Fri, Jun 07 1996

Neon Genesis Evangelion
Koichi Yamadera was
34+ in Neon Genesis Evangelion
as 'Ryouji Kaji (voice)'.
First Air Date
Wed, Oct 04 1995

Wild 7
Koichi Yamadera was
33+ in Wild 7
as 'Happyaku'.
First Air Date
Sat, Dec 17 1994

Phantom Quest Corp.
Koichi Yamadera was
33+ in Phantom Quest Corp.
as 'Kozo Karino (voice)'.
First Air Date
Thu, Aug 25 1994

Bakuen Campus Guardress
Koichi Yamadera was
32+ in Bakuen Campus Guardress
as 'Chiryuu (voice)'.
First Air Date
Fri, May 27 1994

Mask of Zeguy
Koichi Yamadera was
31+ in Mask of Zeguy
as '土方歳三'.
First Air Date
Sun, Mar 21 1993

Green Legend Ran
Koichi Yamadera was
31+ in Green Legend Ran
as 'Chimin (voice)'.
First Air Date
Wed, Nov 25 1992

Tokyo Babylon
Koichi Yamadera was
31+ in Tokyo Babylon
as 'Yamagawa (voice)'.
First Air Date
Wed, Oct 21 1992

Super Zugan
Koichi Yamadera was
31+ in Super Zugan
First Air Date
Fri, Oct 09 1992

OZ
Koichi Yamadera was
31+ in OZ
as 'オーティス・ネイト'.
First Air Date
Fri, Aug 28 1992

Doomed Megalopolis
Koichi Yamadera was
30+ in Doomed Megalopolis
as 'Narutaki'.
First Air Date
Fri, Sep 27 1991

Detonator Orgun
Koichi Yamadera was
30+ in Detonator Orgun
as 'Orgun, Tomoru Shindo'.
First Air Date
Sun, Aug 25 1991

Ariel Deluxe
Koichi Yamadera was
29+ in Ariel Deluxe
as 'Demonova'.
First Air Date
Mon, Jan 21 1991

Goddamn
Koichi Yamadera was
28+ in Goddamn
as 'Gen Todoroki'.
First Air Date
Fri, Apr 27 1990

Samurai Pizza Cats
Koichi Yamadera was
28+ in Samurai Pizza Cats
as 'Karamaru'.
First Air Date
Thu, Feb 01 1990

Assemble Insert
Koichi Yamadera was
28+ in Assemble Insert
as '部下参'.
First Air Date
Thu, Dec 21 1989

Megazone 23 Part III
Koichi Yamadera was
28+ in Megazone 23 Part III
as 'Sion (voice)'.
First Air Date
Thu, Sep 28 1989

Gosenzo-sama Banbanzai!
Koichi Yamadera was
28+ in Gosenzo-sama Banbanzai!
as 'Bannai Tatara'.
First Air Date
Sat, Aug 05 1989

Ranma ½
Koichi Yamadera was
27+ in Ranma ½
as 'Guide (voice), Master (voice), Ryoga Hibiki (voice), Ryoga Hibiki'.
First Air Date
Sat, Apr 15 1989

Madö King Granzört
Koichi Yamadera was
27+ in Madö King Granzört
as 'Shaman'.
First Air Date
Fri, Apr 07 1989

Guy Double Target
Koichi Yamadera was
27+ in Guy Double Target
as 'Guy (voice)'.
First Air Date
Tue, Dec 06 1988

Armor Hunter Merowlink
Koichi Yamadera was
27+ in Armor Hunter Merowlink
as 'Wolf'.
First Air Date
Mon, Nov 21 1988

Oishinbo
Koichi Yamadera was
27+ in Oishinbo
First Air Date
Mon, Oct 17 1988

Go! Anpanman
Koichi Yamadera was
27+ in Go! Anpanman
as 'Cheese / Kamameshidon (voice)'.
First Air Date
Mon, Oct 03 1988

Sonic Soldier Borgman
Koichi Yamadera was
26+ in Sonic Soldier Borgman
as 'Dust Jead'.
First Air Date
Wed, Apr 13 1988

The Burning Wild Man
Koichi Yamadera was
26+ in The Burning Wild Man
as 'Ekkusu Suparutan / Duck Nicholson (voice)'.
First Air Date
Mon, Mar 14 1988

Zillion
Koichi Yamadera was
25+ in Zillion
as 'Guardock A'.
First Air Date
Sun, Apr 12 1987

Bubblegum Crisis
Koichi Yamadera was
25+ in Bubblegum Crisis
as 'Fargo (voice)'.
First Air Date
Wed, Feb 25 1987

Bosco Adventure
Koichi Yamadera was
25+ in Bosco Adventure
as 'Otter'.
First Air Date
Mon, Oct 06 1986

Lupin the Third
Koichi Yamadera was
10+ in Lupin the Third
as 'Inspector Kōichi Zenigata (voice)'.
First Air Date
Sun, Oct 24 1971

Kamen Rider
Koichi Yamadera was
9+ in Kamen Rider
as 'Narrator (voice)'.
First Air Date
Sat, Apr 03 1971

Go! Go! Vehicles
Koichi Yamadera will be
63+ in Go! Go! Vehicles
as 'Gaonii (voice)'.
First Air Date
Unreleased

Lazarus
Koichi Yamadera will be
63+ in Lazarus
as 'Skinner (voice)'.
First Air Date
Unreleased