Tractable - definition: easily managed or controlled : docile Are most of your characters tractable or are some intractable? If your experience is anything like mine, there is usually one, or possibly two characters, that make their presence known in no uncertain terms. They want the starring role in our narrative. These characters are usually more defined in our minds and are 'easier' to relate to, whether because of a personality trait or that they are more fun to write. This leaves us with the problem of developing our supporting characters with as much attention to detail as the main antagonist and protagonist. There are many character development tips and lists available on the internet that can assist us. Do you have a favorite? Have you created your own? I follow K.M. Weiland whose Helping Writers Become Authors blog is crammed full of useful tips and information. Take a look - http://www.kmweiland.com/writingtips.php For my part I listen to the voices! After all who knows themselves better than the character themselves..?