Spread frosting or Nutella on cookie in a fur pattern.

Draw eyes and a few hairs on Chewie's head with black icing.

Cut a thin strip of red licorice to use as a mouth (can be grumpy or cheerful; Wookies are very sensitive creatures)

Cut marshmallow into small triangles to use as fangs.

If you want, you can use chocolate shavings to give it an even furrier texture!