One can make a Dungeons and Dragons (DND) character interesting and fun by deciding on a unique concept of personality. The concept can be borrowed from the DND manual or game guide e.g. a wizard, a fighter, dwarves, dragons, etc. The addition of unique traits is the next step e.g. what the character likes or dislikes. After it, one can add stats related to the character concept and make the background unique and open-ended. This can include a unique life story but it is important to not overdo it.