References to the title in Harper Lee's novel To Kill a Mocking Bird suggest that both Tom Robinson and Boo Radley are "mockingbirds." The reader is led to understand that the term suggests an innocent harmless creature that should not be made to suffer. Both Boo Radley and Tom Robinson fit such characteristics. Just like a mockingbird doesn't do anything but sing, both Tom Robinson and Boo Radley just help people out, never doing anyone any harm. However, they are still punished by society in one way or another. Killing a mockingbird is considered a sin, so one can say that Maycomb si…