Artists, who have played with their own paredolia first, know how to play with the pareidolia of the beholders of their works.
I incidentally found this in December 2017 as bycatch from my Snark hunt:
2017-12-23, updated to 2019-01-01 just for the heck of it
The big beast perhaps gave birth to a Boojum.
(John Tufail made me aware of this illustration by J. J. Grandville.)
The Butcher reasoning with the Beaver.
This is the illustration (partially inspired by various works of other artists) to the chapter The Beaver’s Lesson.