Keiichi Hasegawa

Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack

2001 · Writer

Kamen Rider W Returns: Kamen Rider Accel

2011 · Drunken Man, Writer

Rage of Bahamut

2014 · Writer

Kamen Rider

1971 · Humagear, Writer

SSSS.GRIDMAN

2018 · Writer

SSSS.DYNAZENON

2021 · Writer

009-1: The End of the Beginning

2013 · Writer

The Big O

1999 · Writer

Ultraman Tiga: The Final Odyssey

2000 · Writer

Ultraman: The Next

2004 · Writer

Gridman Universe

2023 · Writer

Ultraman Tiga & Ultraman Dyna: Warriors of the Star of Light

1998 · Writer

Astro Boy

2003 · Writer

Superior Ultra 8 Brothers

2008 · Writer

Ultraman Saga

2012 · Writer

Ultraman Nexus

2004 · Writer

Ultraman Dyna

1997 · Writer

Ultraman Tiga & Ultraman Dyna & Ultraman Gaia: The Battle in Hyperspace

1999 · Writer

Ultraman Gaia

1998 · Writer

Ultraman Mebius

2006 · Writer

Ultraman Mebius & Ultra Brothers

2006 · Writer

Ultraman Cosmos vs. Ultraman Justice: The Final Battle

2003 · Writer

Ultraman Ginga

2013 · Creator, Writer

Ultraman Cosmos 2: The Blue Planet

2002 · Writer

SSSS.DYNAZENON Grand Episode

2023 · Writer

Ultraman Cosmos

2001 · Writer

SSSS.GRIDMAN Grand Episode

2023 · Writer

No. 1 Sentai Gozyuger

2025 · Writer

Cackling Kitarou

2007 · Writer

Kamen Rider Drive Saga: Kamen Rider Mach / Kamen Rider Heart

2016 · Writer