Ghost babies and occults in general.

I genuinely wants us to be able to try for a baby with a ghost and the possibility for us to the female alive (and dead) sims to give birth to ghost babies. I was disapointed because we didn't got this feature on the Life and Death expansion pack. 

And maybe elves, ogres, genies, imaginary friends, mummies, zombies, nymphts as new occults too.

And if isn't too much, maybe upgrades mermaids. I ma one step to start a petition.