Koichi Yamadera
The incredibly versatile voice of iconic anime characters and film dubs, whose range stretches from a detective's dog to Godzilla himself.
Born 1961 (age 65)·Japanese voice actor and narrator·Birthday: June 17·Baby Boomers
Biography
In Japan, you hear Koichi Yamadera more often than you see him. His voice is one of the most recognizable and flexible instruments in entertainment, capable of shifting from the hyperactive chaos of 'Sonic the Hedgehog' to the weary wisdom of 'Spike Spiegel' in the seminal anime 'Cowboy Bebop.' A native of Miyagi Prefecture, Yamadera initially studied economics before finding his true calling in voice acting. His career is a map of anime and game history, lending his talents to hundreds of projects. He doesn't just voice characters; he embodies them, whether it's the comedic timing of the dog Ein in 'Crayon Shin-chan,' the menacing growl of the demon 'Beelzebub,' or the authoritative narration for countless documentaries. His work also extends to major Hollywood film dubs, where he has been the Japanese voice for actors like Jim Carrey and Eddie Murphy. Yamadera's artistry lies in his chameleonic ability to disappear into a role, making each voice feel distinct and wholly alive.
Baby Boomers
1946–1964
The largest generation in history at the time. Shaped by postwar prosperity, the Vietnam War, the sexual revolution, and Watergate. They questioned every institution their parents built — then ran them.
Koichi was born in 1961, placing them squarely in the Baby Boomers. The events that shaped this generation — postwar prosperity, civil rights, Vietnam, and the counterculture — shaped the world they entered and the choices available to them.
#1 When Koichi Was Born
The biggest hits of 1961
#1 Movie
101 Dalmatians
Best Picture
West Side Story
#1 TV Show
Wagon Train
Koichi's Life & Times
The world at every milestone
1961Born
Yuri Gagarin becomes the first human in space
Gas: $0.31/galHome: $12,500Min wage: $1.15/hrPresident: John F. Kennedy"Tossin' and Turnin'" — Bobby LewisBest Picture: West Side Story
1966Started school
Star Trek premieres on television
Gas: $0.32/galHome: $14,200Min wage: $1.25/hrPresident: Lyndon B. Johnson"The Ballad of the Green Berets" — SSgt Barry SadlerBest Picture: A Man for All Seasons
1974Became a teenager
Nixon resigns the presidency
Gas: $0.53/galHome: $22,600Min wage: $2.00/hrPresident: Gerald Ford"The Way We Were" — Barbra StreisandBest Picture: The Godfather Part II
1977Could drive
Star Wars premieres; Elvis dies
Gas: $0.62/galHome: $31,800Min wage: $2.30/hrPresident: Jimmy Carter"Tonight's the Night" — Rod StewartBest Picture: Annie Hall
1979Could vote
Iran hostage crisis begins; Three Mile Island accident
Gas: $0.86/galHome: $37,900Min wage: $2.90/hrPresident: Jimmy Carter"My Sharona" — The KnackBest Picture: Kramer vs. Kramer
1982Turned 21
Michael Jackson releases Thriller
Gas: $1.22/galHome: $55,200Min wage: $3.35/hrPresident: Ronald Reagan"Physical" — Olivia Newton-JohnBest Picture: Gandhi
1991Turned 30
Soviet Union dissolves; World Wide Web goes public
Gas: $1.14/galHome: $82,400Min wage: $4.25/hrPresident: George H.W. Bush"(Everything I Do) I Do It for You" — Bryan AdamsBest Picture: The Silence of the Lambs
2001Turned 40
September 11 attacks transform the world
Gas: $1.46/galHome: $126,400Min wage: $5.15/hrPresident: George W. Bush"Hanging by a Moment" — LifehouseBest Picture: A Beautiful Mind
2011Turned 50
Osama bin Laden killed; Arab Spring sweeps the Middle East
Gas: $3.53/galHome: $138,400Min wage: $7.25/hrPresident: Barack Obama"Rolling in the Deep" — AdeleBest Picture: The Artist
2021Turned 60
January 6 Capitol breach; COVID vaccines roll out globally
Gas: $3.01/galHome: $298,900Min wage: $7.25/hrPresident: Joe Biden"Levitating" — Dua LipaBest Picture: CODA
2026Age 65 today
Gas: $3.91/galPresident: Donald Trump
Key Achievements
- Voiced the iconic role of Spike Spiegel in the critically acclaimed anime series 'Cowboy Bebop.'
- Serves as the long-time Japanese voice actor for Hollywood star Jim Carrey in many of his film releases.
- Provided the voice for the title character in the popular 'Sonic the Hedgehog' game series from 1998 to 2003.
- Narrated the Japanese version of the landmark natural history series 'Planet Earth.'
Did You Know?
He is the official Japanese narrator for the Godzilla film series, providing the monster's roars and the film's opening narration.
He performed all the voices for a one-man stage adaptation of 'The Strange Case of Dr. Jekyll and Mr. Hyde.'
He is a skilled impressionist and often performs comedy routines based on his impersonations.
He provided the voice for the transforming robot 'Wheelie' in the Japanese dub of 'Transformers: Revenge of the Fallen.'
“A voice actor is like a host who invites the audience into the world of the work.”
