Throughout Shakespeare's Macbeth, Banquo is a foil to Macbeth. Banquo's logic and restraint contrasts Macbeth's erupting ambition and recklessness. Shakespeare created two opposite characters, Banquo and Macbeth who server to foil each other. A foil is someone or something that serves to contrast another; Banquo and Macbeth foil each other. Macbeth is eager, determined, and aggressive. Banquo is reserved, calm, rational and cautious. The play opens with Macbeth and Banquo returning from a battle with the Norwegians. They both receive very amb ....