Describe the one person Bruno knew to be mad.

The one person that Bruno knew to be mad was Herr Roller. They were neighbors in Berlin.

One person that Bruno knew to be mad at was Herr Roller that was abou the same age of his father, who lived around the corner from him back at the old house in Berlin. He would usually walk at day and night and have terrible arguements with himself. He would try to punch his shadow and would hit the wall. his hands would start bleeding and cry on his knees, slapping his hand on his head. This information is according to "The Boy In Striped Pajamas in chapter 7, all of the second paragraph.