Unequivocally, Iago is an important Character in the tragedy of Othello. By the end of the play, Iago has been directly responsible for the deaths of Roderigo, Emilia, Othello and Desdemona. Iago's shows how he is masterful puppeteer by driven by his desire for revenge against Othello and the other characters in the play. Iago's way of getting his revenge, which adds to the importance he has on the play, is to lead to the downfall of Othello therefore revealing the themes of hate, jealousy and revenge. Iago also serves to contrast with the characters of Othello and Desdemona and to create dramatic irony consequently involving the audience in the journey of the play. The foundation of his success has been built upon his honest reputation, perceptive nature and ruthless motivation.

             Iago's importance to the play is revealed through the significance he has in determining the direction of the plot. Just like a masterful puppeteer, he has forcefully steered its' direction. Shakespeare, at the very beginning of the play does not bother to develop the character of the protagonist, Othello but rather places greater emphasis on plot development. We are immediately introduced to Roderigo and Iago and are privy to their conspiracy to undermine Othello. With a masterful stroke, Iago subdues Roderigo, his 'dupe' and sets up the initial plot- Iago intends to gain his rightful position of lieutenant by destroying Othello and Casio. Although Iago's plan does not change throughout the play, his motives, which obviously influence his actions, do. Iago's initial motive in destroying the protagonist is hatred. This shift to jealousy, It is as if Iago has allowed us to follow his journey from revenge to finally madness. .

             Iago's emotive feelings are dictating the direction of the plot. The audience ponders whether Iago will gain some control and restore balance. By Act 3 sc. iii he has achieved half of his objectives.