The leader of the mysterious organization known as Clover. He is rather maniacal and shows little restraint in his actions, focusing solely on revenge against phantom thieves. He uses a gun that shoots out electric shocks and iron claws as weapons.

~!In the anime, fifty years ago, he worked as a secret agent known as Agent Clover, planning to take over the world using Pandora's key. However, he was foiled by [Silver Heart](https://anilist.co/character/273454/Silver-Heart) (then known as Agent Silver). This encounter led to him losing his right arm, which he replaced with a prosthetic one. This is what warranted his deep hatred against Silver Heart and phantom thieves in general.!~

~!In episode 26, he melts to death after being bathed in sulfuric acid, thanks to [Joker](https://anilist.co/character/121152/Joker) and [Shadow](https://anilist.co/character/273462/Shadow-Joker)'s combined efforts.!~

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)

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Professor Clover