How To: Create a Kung Pow tongue effect in After Effects

This After Effects tutorial gives a basic overview of how to create the tongue effect as seen in the show Kung Pow. You want your actor to move as little as they can, or you will have to fix the footage by motion tracking, which isn't covered in this tutorial.
With stable footage you shouldn't have to animate the masks as much as in this video. Learn how to create a Kung Pow tongue effect in this After Effects tutorial.