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This is the Master Jailer disambiguation page. Master Jailer, also known as Kator, Deathtrap and Castellan, is a supervillain who has fought Superman and served as a member of Checkmate and the Suicide Squad.
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This is the Master Jailer disambiguation page.


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Master Jailer, also known as Kator, Deathtrap and Castellan, is a supervillain who has fought Superman and served as a member of Checkmate and the Suicide Squad.

Master Jailer was created by Martin Pasko and Curt Swan. He first appeared in Superman #331. (1979)

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