Iago is perhaps one of the most evil characters ever created by Shakespeare. However, it is his uncanny ability to read human nature coupled with his complete disregard for others that assist him in carrying out his evil plans. The fact that once “valiant’ Othello is easily deceived by Iago can be attributed to both his “free and open nature” and his hubris and also to Iago’s ability to perceive and use these personality traits for his own advantage and manipulate Othello. Furthermore, we must be aware that Iago manipulates almost every other character in the play, thus suggesting that even those with less “open’ natures than Othello are easily deceived by his “honest”
