How many movies have Ken Ootsuka and Sushio collaborated on?

They have worked on 10 movies together! Their first movie together was One Piece: Clockwork Island Adventure (2001) while their highest rated movie together was Gridman Universe (2023). They have not worked together since Gridman Universe (2023). They are most known for their animation films together.

Gridman Universe (2023)

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Key Animation
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Key Animation

Looking for Magical Doremi (2020)

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Key Animation
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Key Animation

Promare (2019)

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Key Animation
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Animation Director
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Key Animation
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Art Designer
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Storyboard Artist

Gurren Lagann the Movie: Childhood's End (2008)

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Key Animation
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Key Animation

Evangelion: 1.0 You Are (Not) Alone (2007)

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Key Animation
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Key Animation

Gunbuster vs Diebuster: Aim for the Top! The GATTAI!! Movie (2006)

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Key Animation
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Key Animation

Zatch Bell! Attack of Mechavulcan (2005)

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Key Animation
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Key Animation

One Piece: Baron Omatsuri and the Secret Island (2005)

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Key Animation
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Character Designer
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Animation Director

Sakura Wars: The Movie (2001)

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Key Animation
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Animation Director

One Piece: Clockwork Island Adventure (2001)

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Key Animation
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Key Animation