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
Magnetic Rose
Koichi Yamadera was
34 in Magnetic Rose
as 'Miguel (voice)'.
Sat, Dec 23 1995
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 agesRanma1/2
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), Ryoga Hibiki (voice), Master (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