The head of the police department anti-phantom thief bureau. He despises [Joker](https://anilist.co/character/121152/Joker) and tries his best to capture him. However, his attempts always backfire on him. Oniyama is completely dedicated to capturing Joker and locking him up. Almost always he will be present at the scene of the crime, waiting to finally capture Joker. However, in dire situations, he will begrudgingly work together with Joker. He also cares for his family very much.

In the story, there is nothing in the world that the mysterious phantom thief Joker cannot steal. He goes after one treasure after another in unpredictable capers with seemingly miraculous tricks.
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(Source: Anime News Network)

[Profile](https://www.aoni.co.jp/search/tatsuta-naoki.html)

Dogusaburou Oniyama