banquo is similar is Macbeth in that they both have ambitious thoughts, however Banquo demonstrates restraint as he doesn’t act upon these desires. The character of Banquo is the opposite of Macbeth, s he represents the route that Macbeth chose not to take. The path where ambition doesn’t lead to betrayal and murder. Thus it is Banquo‘s ghost, rather than Duncans, that haunts him.