However, when the animosity between the parents is so deep-seated as to be injurious to the best interest of the child, an independent guardian may be appointed. Matter of Joseph V., 307 AD2d 469 (3d Dept., 2003); Matter of Zdeb, 215 AD2d 803 (3d Dept., 1995);Matter of Ardelia R ., 28 AD3d 485 (2d Dept., 2006); Matter of Colette G., 221 AD2d 440 (2d Dept., 1995).Similarly, in custody matters, there is a preference for joint custody, but where parents are unable to communicate or cooperate for the benefit of the children, joint custody will not be ordered. Clupper v.Clupper 56 AD3d 1064 (3d Dept., 2008).