At the beginning of the play Macbeth is ambitious but insecure to the point of superstition, which makes him more open than Banquo to the three Wyrd Sisters suggestions. (The witches; the three weird sisters)

As the play progresses, Macbeth becomes more and more unpredictable and scary but not mad. When Hitler or Stalin, for example, signed the death warrant for thousands they did so with a rational clear mind. Both of them would even do so after an evening at the ballet or a music concert! Suggesting Macbeth is mad gives him an excuse for his behaviour and that would be wrong. He is an evil man disguised as a good person.” Fair is foul”. On the other hand, our fictional character, Cormac, is an example of “Foul is fair”...

The complete article of 30 pages of Characters (Student notes), which includes 10 pages dedicated to Macbeth, please click here.