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15 Mindbending Fan Theories About 'Avatar: The Last Airbender' Villains

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Vote up the best fan theories.

Avatar: The Last Airbender, Nickelodeon's honorary anime, has gained a massive following over some recent years. With such a rich universe full of incredible characters, fans keep coming up with amazing fan theories that broaden the ATLA universe even more. 

Fan theories about Azula, like her murky mental illness, and Ozai, like how he might have suffered brain damage, are just some of the ideas fans have about the ruthless villains of ATLA. Take a look and vote up the most interesting ATLA villain theories below!

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