Iago

Iago is a fictional character in Shakespeare's Othello (c. 1601–04). The play's main antagonist, Iago is the husband of Emilia, who is in turn the attendant of Othello's wife Desdemona. Iago hates Othello (who is also known as "The Moor") and devises a plan to destroy him by making him believe that his wife is having an affair with his lieutenant, Michael Cassio.