Not exactly circles, but famously:
With four parameters I can fit an elephant, and with five I can make him wiggle his trunk.
"and with 20 billion I can make it hold a conversation."
Related: 'A meeting with Enrico Fermi' https://www.nature.com/articles/427297a
Looks more like an amoeba to me...
Feels like the mathematical version of "just because you can doesn't mean you should."