In the grand scheme of things, this is certainly a very minor problem.
These two graelins don't seem to work properly --
When you click on the Coop Devil, this is what you get --
When you click on the frowning "devil" next to the Jack-o-Lantern, nothing happens.
Additionally, as I've just previewed this post and noticed that whenever you type words like "devil" or "evil" without quotation marks or without capitalizing the first letter, those graemlins get inserted instead of the words. That could end up being rather confusing.
All hail the Almighty Tiki God!