That's amazing! If I still had Koboldon together I'd love to try the same thing with him. A person in a Facebook group I'm in did the same thing with a Fikou spider!
I think the designers made a very smart decision when deciding to offset the pupil of the ball-joint eyes instead of placing them in the center of the ball. It makes creations using those eyes much more expressive, since you can rotate them every which way and attach them either to the front of a face or to the sides.
And don't forget the Derp
I would love to see this stuff happening on people SelfMOC... And Make The Virus Spread