Macbeth: Shakespeare's Comparisons and Contrasts Throughout Macbeth Shakespeare uses comparison and contrast to bring out characteristics of his main character, Macbeth. Shakespeare uses comparison with Duncan, Lady Macbeth, and Banquo to bring out aspects of Macbeth's character. After hearing of Macbeth's courageousness on the battlefield, Duncan, a good and honest king, bestows the tittle of Cawdor on Macbeth. The king then proclaims his son Malcom to be Prince of Cumberland, in effect designating him as successor to the throne of Scotland. This dramatic announcement of Duncan's chosen successor