Ken is the main antagonist in Crayon Shin-chan: The Storm Called: The Adult Empire Strikes Back. He is the leader of a project called "Yesterday Once More" which aims to bring the world back to the 20th century. Ken despises the 21st century: he wants to live in the 20th century forever, and he intends to drag the whole world with him.

(Source: Crayon Shin-chan Wikia)

As the 21st century approaches, a new 20th-century museum has opened in town, for the adults to relive their childhood. However, the owners of the museum seem to have other plans for it. The adults start to behave strangely, and one morning, they abandon their children for the 20th-century museum. Shinnosuke, along with his friends, must now rescue his parents and stop the world from returning to the 20th century before they get captured.
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(Source: Anime News Network)

__Birth Place:__ Naha, Okinawa, Japan
__Height:__ 176cm

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