Othello 6

Iago is the antagonist of Othello.  His objective is to split up Othello and Desdemona as a form of revenge.  Iago wants revenge because Othello received a promotion that Iago believes to be his.  This is the foundation of his actions for the play.  Overall Iago is a cruel and ruthless villain who spreads hate and lies.  He is also now a criminal.