Update to How Many Ears Does Amy Rose Have.

This is from the game Sonic Boom Fire and Ice, I think. Apparently the ears on top of their heads do work.

(Edit 1-24-21) Should have posted a link to the original article. Might make things a little less confusing.

http://panelmonkey.blogspot.com/2017/08/how-many-ears-does-amy-rose-have.html