Secondary Characters (Character Development #3) Truman Capote depicts the extraordinary personalities of secondary characters in his novel In Cold Blood. I believe that he does this in order to give readers a more accurate and detailed understanding of the story. Personalities of all characters are very important because they give us a clear look into what that particular character is feeling and thinking. Main characters typically get the spotlight, but Capote makes sure to share the light with all of the characters. Not only do the personalities of the characters give us a look into their head, but we can also connect with those characters on a more personal level by getting a better feel for them. Herb Clutter is the most important and