Antagonist in a 1604 play . . . or a 1992 animated movie (4)

I believe the answer is:

iago

(Other definitions for iago that I've seen before include "Shakespeare's jealous villain" , "Othello's nemesis" , "Othello's enemy" , "Othello's treacherous counsellor" , "Othello's treacherous officer" .)

I've seen this clue in The New York Times.

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