Othello - Iago's evil

Of all the characters presented in Shakespeare's literature the most sinister one is without a doubt Iago. He is a ruthless sociopath. No other character can even come close to his evil. Most of the antagonists present in Shakespeare's plays have valid reasons for the troubles the cause. Iago doesn't for the most part he just has a burning hatred for the world especially Othello. Iago is the whole reason there is any conflict in …

…Iago. This play has a bizarre plot map as opposed to the standard plot map: problem, rising conflict, climax, resolution. The problem and conflict are represented by a single person. The climax could be several things, I believe it is when Othello plots to kill Desdimonia. There is no true resolution Iago does get caught but the problems he causes (death) cannot be resolved. He was just meant to embody evil, which can't be resolved.