The term 'OTHELLO VILLAIN' can be summarized by two crossword solutions: IAGO (4 letters) and IIAGO (5 letters). IAGO is a character from William Shakespeare's play Othello, and is the main antagonist of the story. He is a manipulative and deceitful character who plots to ruin the life of the protagonist, Othello. IIAGO is an alternate spelling of IAGO, which is sometimes used in modern adaptations of the play.