16. The system of claim 15 , wherein the facial expression for the second character is generated without defining any spatial correspondence between the first character and the second character; wherein the first character comprises one of a user and a first animated character, wherein the second character comprises a second animated character, and wherein the second character has a different facial structure than the first character.
16. The system of claim 15 , wherein the facial expression for the second character is generated without defining any spatial correspondence between the first character and the second character; wherein the first character comprises one of a user and a first animated character, wherein the second character comprises a second animated character, and wherein the second character has a different facial structure than the first character. 17. The system of claim 16 , wherein at least one plurality of facial layers includes at least one of an emotion layer, a speech layer, and an eye-blink layer, wherein the respective measure of influence for each of the plurality of facial layers is distinct.