10)#90 Maycombs folks first impressions on Arthur (Boo) Radley are lasting impressions, especially in the minds of children. Many times these impressions, aided by misunderstanding and prejudgment, cause unjust discrimination against an individual. To kill a Mockingbird depicts the themes of misunderstanding and prejudice that portray Boo Radley as a villain. Through the progressive revelation of Radley's character, the children realize that their negative impressions and fear of him were unfounded