Iago are Othello

In class we are reading a book called Othello. but it seems to have more about Iago in the book then Othello are any other person in the book. its always Iago is doing something from hem using Roderigo to get money. Iago made a plan to become lutenit in his plan he used Cassio ,Desdemona and Othello he had Othello kill Desdemona and almost killed cassio he killed Roderigo I thin that the book are play should be called Iago because he is the one its mostly about and he makes a mess of emotions and thoughts in the book.