In William Shakespeare’s tragedies Macbeth and Othello, the manipulation of Lady Macbeth and Iago, is the key to the downfall of the plays’ tragic heroes. In Shakespeare’s Macbeth, after Macbeth shares with his wife the predictions of three witches her lust for power becomes great and manipulates her husband into killing King Duncan which also leads to destruction of Macbeth. Meanwhile, in Shakespeare’s Othello, Iago, the antagonist vows his revenge against Othello for not promoting him to second