Blood Type: A
Height: 5 ft 8 in (174 cm)
Nicknames: Bun-chan ぶんちゃん, Fuumin ふーみん
Debuted with Sei Senshi Dunbine.
Likes fly fishing and digital cameras.
Working on Evangelion
When he played Gendou in Evangelion, he was 14 years younger than his character role. His costar commented that "Tachiki-san can play a middle-aged man despite only being in his 30s because of his personality."
When working on the End of Evangelion movie, voice actress Ogata Megumi expressed worries over performing the masturbation scene at the beginning. She told him, "This is my first time, so I might not do it well. If I make any mistakes, please let me know, Father." After filming he said, "Good job, Shinji," to which she replied, "Father praised me."
- 1983 Urusei Yatsura うる星やつら（面堂家黒メガネ軍団員）
- 1983 Sei Senshi Dunbine 聖戦士ダンバイン（ゼット・ライト）
- 1994 Yuusha Keisatsu J-Decker - Ninja Keiji Shadowmaru 忍者刑事シャドウ丸
- 1995 Chouriki Sentai OhRanger - BaraPrinter バラプリンター
- 1997 Shinseiki Evangelion - Ikari Gendou 碇ゲンドウ
- 1998 LEGEND OF BASARA - Father
- 2000 Kamen Rider Kuuga - Narration
- 2002 MAZINKAISER - Boss
- 2003 Gungrave - Bunji Kugashira 九頭文冶
- 2004 Kamen Rider Blade - Rouse Absorber voice, King Rouser voice
- 2004 Yakitate!! Japan (TV) - Bakery Man; Kirisaki Yuuichi
- 2005 BLEACH - Zaraki Kenpachi 更木剣八
- 2007 Angelique - Victor
- 2007 Wangan Midnight (TV) - Takagi Yuichi
- 2009 Kamen Rider Decade - N Gamio Zeda voice ン・ガミオ・ゼダ
- 2009 Kamen Rider W - Narration, GaiaMemory voice
- 2011 Ore no Imouto ga Konna ni Kawaii Wake ga Nai - Kousaka Daisuke 高坂大介
- 2009 Kamen Rider Decade the Movie: All Riders VS Dai Shocker - GaiaMemory voice
- 2009 Kamen Rider x Kamen Rider W & Decade: Movie Taisen 2010 - GaiaMemory Voice
- 2010 Kamen Rider x Kamen Rider x Kamen Rider the Movie: Chou Den-O Trilogy Episode Yellow - GaiaMemory Voice
- 2010 Kamen Rider W Forever: A to Z / The GaiaMemories of Fate - Narration, GaiaMemory voice
- 2010 Kamen Rider x Kamen Rider OOO & W feat. Skull: Movie Taisen Core - Kamen Rider Core, GaiaMemory voice
- 2011 OOO, Den-O, All Riders: Let's Go Kamen Riders - GaiaMemory voice
- 2011 Kamen Rider x Kamen Rider Fourze & OOO: Movie Taisen Mega Max - GaiaMemory voice
- 2011 Kamen Rider W Returns - GaiaMemory voice
- 2016 Drive Saga: Kamen Rider Chaser - GaiaMemory Voice
- 2012 Net Movie Kamen Rider x Super Sentai Super Hero Taihen ~Hannin wa Dare da?!~ - GaiaMemory voice
Dubs voices for Forest Whitaker and Tom Sizemore.
- Transformers: Animated (U.S. TV) as Meltdown / Prometheus Black
- Transformers: Dark of the Moon (live-action movie) as Dino
- WALL・E - John