So, Bonehilda in my game died of old age and is now a playable ghost.
Bonehilda building a snowman (it ended up being an alien snowman).
She rolled the wish to join the athletic career, so I had her start working out.
If you try to put hair on Bonehilda, her whole head disappears and all you can see is floating hair.
She looks really cool with this alien mask.
Edit: Do NOT use the Young Again potion on a playable (ghost) Bonehilda! (I'm sure this applies to the Clone Voucher thing). The game WILL freeze and will STOP functioning. I had to force-shut down my computer just to quit the game.
However, if you're curious as to what happens if you use a Young Again potion on Bonehilda, this is the result: