Keiichi Hasegawa
Writing · Writer · Screenplay · Script
Born Feb 1, 1962 · Atami, Shizuoka, Japan
Active 1971–present
Filmography
No. 1 Sentai Gozyuger (2025) — WriterNo. 1 Sentai Gozyuger: Polar Beginning (2026) — WriterAbyssalis Revelation: Lachesis (2025) — WriterGodzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack (2001) — ScreenplayRage of Bahamut (2014) — Series Composition · WriterKamen Rider W Returns: Kamen Rider Accel (2011) — Drunken Man · WriterSSSS.GRIDMAN (2018) — Writer · Series CompositionSSSS.DYNAZENON (2021) — Writer · Series CompositionKamen Rider (1971) — Humagear · Writer · Series CompositionGridman Universe (2023) — ScreenplayUltraman Nexus (2004) — Series Composition · ScreenplayAstro Boy (2003) — WriterUltraman Gaia (1998) — WriterThe Big O (1999) — WriterUltraman Dyna (1997) — WriterUltraman Mebius (2006) — WriterSuperior Ultra 8 Brothers (2008) — WriterUltraman Ginga (2013) — Writer · CreatorUltraman Cosmos (2001) — WriterGraveyard Kitaro (2008) — ScriptUltraman Tiga: The Final Odyssey (2000) — ScreenplayUltraman Mebius & Ultra Brothers (2006) — Writer009-1: The End of the Beginning (2013) — WriterCackling Kitarou (2007) — Writer