1. An apparatus for generating facial animation, the apparatus comprising: a pre-processing unit for selecting an image frame having a facial region that is most similar to a facial region of one of a plurality of key models of facial characters, from a sequence of image frames, each image frame being divided into a plurality of facial regions; and a facial animation generation unit for determining a blending weight for each selected facial region of the key models using the selected facial region and for synthesizing facial character shapes on a facial region-by-facial region basis using the determined blending weight for each facial region of each of the key models.