For some reason, I imagined your cute little character saying this… which just made it seem terrifying.
Anyway, before you go to that dark place, and before you go hand painting every frame of every expression, I have a rig that may (or may not) be helpful for what you’re trying to do here. You can go here to download and play with it:
Nevermind the LCD material, but take note of the dynamic paint system. Essentially, you rig up some intersecting meshes for the eyes, eyelids, and mouth to be used as dynamic paint brush objects. Once it’s all rigged and animated, it’s just a matter of hitting a button to generate your facial texture animation sequence.