Koyama Tsuyoshi
小山剛志
Birth Date: October 4, 1967
Blood Type: A
Height: 5 ft 10 in (180 cm)
Married to singer Shimokawa Mikuni.
Debuted in Turn A Gundam.
Voice work
Kamen Rider Dragon Knight - Eubulon
Tokusatsu
- 2002 Kamen Rider Ryuki - Kamen Rider Odin's voice and voice of the visors.
- 2002 Kamen Rider Ryuki the Movie: Episode Final - Voice of the visors
- 2003 Kamen Rider 555 the Movie: Paradise Lost - Lion Orphenoch's Voice
- 2007 Kamen Rider Den-O - Rhino Imagin's voice（ライノイマジンの声）
- 2009 Kamen Rider Decade - Visor voice（バイザー音声）
- 2010 Episode Yellow - Black DragVisor voice（ブラックドラグバイザー音声）
- 2012 Kamen Rider x Super Sentai Super Hero Taisen - DragVisor voice
- 2015 Kamen Rider Yongou - Venovisor Voice