- Takehito Koyasu is the voice of Admiral Aokiji in the Japanese version of One Piece.
- Takehito Koyasu is the voice of Klein in the Japanese version of Shining Force Neo.
- Takehito Koyasu is the voice of Seifer Almasy in the Japanese version of Kingdom Hearts II.
- Takehito Koyasu's favorite animal is the giraffe.
- Takehito Koyasu favorite band is L'Arc~en~Ciel.
- Takehito Koyasu is the voice of Sandora in Wedding Peach.
- Takehito Koyasu is the voice of
Bobobo-bo Bo-bobo in the Japanese version of Bobobo-bo Bo-bobo.
- Takehito Koyasu is the voice of Wyvern Radamanthys in Saint Seiya.
- Takehito Koyasu is the voice of Ichimonji Takahashi in Muv-Luv and Muv-Luv Alternative.
- Takehito Koyasu is the voice of Radium in Z.O.E 2167 IDOLO.
