🎙️ Japanese voice actor
Takehiro Koyama小山武宏
Known for Bull in Cowboy Bebop, Shuuzou Kanzaki in Ghost in the Shell: Stand Alone Complex and Heizo Hattori in Detective Conan.
- anime roles
- 12
- anime roles
- main roles
- 0
- main roles
- busiest year (1 roles)
- 1998
- busiest year (1 roles)

Best-known roles
Roles per year
Anime with Takehiro Koyama in the cast
012
1 roles in 1998
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Show as table
| Item | Roles |
|---|---|
| 93 | 1 roles in 1993 |
| 94 | 0 roles in 1994 |
| 95 | 0 roles in 1995 |
| 96 | 1 roles in 1996 |
| 97 | 0 roles in 1997 |
| 98 | 1 roles in 1998 |
| 99 | 1 roles in 1999 |
| 00 | 0 roles in 2000 |
| 01 | 1 roles in 2001 |
| 02 | 1 roles in 2002 |
| 03 | 1 roles in 2003 |
| 04 | 0 roles in 2004 |
| 05 | 1 roles in 2005 |
| 06 | 1 roles in 2006 |
| 07 | 0 roles in 2007 |
| 08 | 0 roles in 2008 |
| 09 | 0 roles in 2009 |
| 10 | 1 roles in 2010 |
| 11 | 0 roles in 2011 |
| 12 | 1 roles in 2012 |
| 13 | 1 roles in 2013 |
All roles
- 2013
Detective Conan: Private Eye in the Distant SeaHeizo Hattorisupporting - 2012
Robotics;NotesKenichirou Senomiyasupporting - 2010
Detective Conan: The Lost Ship in the SkyHeizo Hattorisupporting - 2006
Detective Conan: The Private Eyes' RequiemHeizo Hattorisupporting - 2005
Speed GrapherKamiya-sourisupporting - 2003
Last ExileVitellius Glamissupporting - 2002
Ghost in the Shell: Stand Alone ComplexShuuzou Kanzakisupporting - 2001
Cowboy Bebop: The Movie - Knockin' on Heaven's DoorBullsupporting - 1999
Sakon the VentriloquistNiemon Tachibanasupporting - 1998
Cowboy BebopBullsupporting - 1996
Detective ConanHeizo Hattorisupporting - 1993
Aoi Kioku: Manmou Kaitaku to Shounen-tachiKaitakudan Danchoubackground
Frequently asked questions
What characters has Takehiro Koyama voiced?
Takehiro Koyama's best-known roles include Bull (Cowboy Bebop), Shuuzou Kanzaki (Ghost in the Shell: Stand Alone Complex), Heizo Hattori (Detective Conan), Kenichirou Senomiya (Robotics;Notes), Vitellius Glamis (Last Exile), Kamiya-souri (Speed Grapher). Takehiro Koyama has voiced 12 anime roles.
What is Takehiro Koyama's most popular role?
Bull in Cowboy Bebop, the most-watched anime Takehiro Koyama has voiced in.
When is Takehiro Koyama's birthday?
Takehiro Koyama was born on December 1, 1943.







