Mad Hatter
- Jervis Tetch
- Mad Hatter
- Human
- Gotham City, USA, Earth
- Clock King (Brother)
- Embraced a delusion that he was the incarnation of the Mad Hatter from Alice in Wonderland
- Used mind-control technology, usually in the form of hats, to control his victims
- Mind Control
- David Wayne (Batman 1966)
- Roddy McDowall (Batman TAS)
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