Supposedly black comedian malign at heart (3,1)

I believe the answer is:

ali g

'supposedly black comedian' is the definition.
(Sacha Baron Cohen comedy character)

'malign at heart' is the wordplay.
'at heart' indicates the answer is hidden within the clue (letters hidden in the heart of the clue).
'ALI G' is hidden in the letters of 'malign'.

I've seen this clue in The Guardian.

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