Before America ever laughed at Don Knotts, fear had already shaped him. DON KNOTTS: “I think any character you create is an extension of some part of yourself. Portrait of actor and comedian Don Knotts, wearing a formal dress uniform, circa 1950-1960. Andy Griffith and Don Knotts Hulton Archive/GettyDANIEL DE VISE: “Andy was probably playing it close to the vest that he was going to be doing this show. Don Knotts and Karen Knotts courtesy Karen KnottsKAREN KNOTTS: “My dad was mercurial.