Immensely bad character (4)

I believe the answer is:

ogre

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'immensely bad character' is the definition.
The answer and definition can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

This is all the clue.

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(Other definitions for ogre that I've seen before include "Brute" , "Evil giant" , "terrible person" , "Wicked giant" , "Fairy tale giant" .)

I've seen this clue in The Irish News and The Irish Independent.

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