The Webster definition of monster is one deviates from normal or acceptable behavior or character. One could say that the definition of monster describes Macbeth perfectly. The Webster definition a mythological or legendary figure often of divine descent endowed with great strength or ability. This definition could also describe Macbeth. Macbeth can only be one of these definitions and he himself has shown his true color as a monster.
Although what Macbeth did to Duncan could only classify him as a monster in most people's eyes he does have some qualities that would make him a hero such as being a loyal comrade to duncan as ironic as that is. Macbeth fought bravely for his king and was rewarded for such acts.
Even