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Demaon King
Birth date Unknown
Normal clothing {{{clothing}}}
Friends with Medusa

Demon King Demaon (大魔王デマオン) is the ruler of the demon realm and the main antagonist of Nobita's Great Adventure into the Underworld and its remake, Doraemon: Nobita's New Great Adventure into the Underworld – The Seven Magic Users.


For many thousand years, Demaon desires to conquer Earth which is his ideal planet for his demon race. 

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