two sides to every coin

the title says it all i mean these are the nicest little boys from thier villages and now they are brutal killing machines from left to right:

oni/ after being ignored for so long oni decided to join his brother's path

zensen/ after the death of his clan kakuza kidnapped his sister and forced him to join

ransi/ having nothing to live for or care for ransi joined to avenge everything he lost

shida/ he just joined to kill his powers are shadow powers and creating bandeges to wrap the opponent and steal thier chakra he is also sasori's brother but has no puppet powers

ukio and puppet/ losing his brother and seeing his mentor chiyo die he decided to make a puppet of his brother and avenge her by killing gaara

jenbei/ being called a freak for so long and watching his uncle die he took samahada and went to avenge kisame by killing bee and ay