Select and merge all the layers. Duplicate the layer. From filter menu select texture>>stained glass. Apply settings as shown.





Change the layer mode to multiply.



Create eyes using elliptical shape tool.



Type "V" using text tool. Rotate and place for the tongue.



Duplicate layer. Enable lock transparent pixels from layer palette. Press Ctrl+T. Right click the layer and select distort. Fill it with dark gray color. Adjust nodes to create a perspective shadow.