1. An apparatus for animating a moving and speaking enhanced-believability character in real time, comprising: i. a plurality of behavior generators each for defining a respective aspect of facial behavior; ii. a unifying scripter, associated with said behavior generators, said scripter operable to combine said behaviors into a unified animation script; and iii. a renderer, associated with said unifying scripter, said renderer operable to render said character in accordance with said script, thereby to enhance believability of said character.