Add additional expressive faces during capture while using Characterizer.
During face capture allow eye's half closes, squinting, sad eyes, angry eyes. This would enhance the possibilities of Characterizer immensely.
These extra faces could be prompted by saying "Squint your eyes", "Make an angry face", "make a shouting mouth" etc....
Then these could be set as possible triggers once the program finishes the capture.
Dan Ramirez commented
Great suggestion. That would improve the expressiveness quite a bit.