the ghost-shaped gadget, which lurks under the toilet rim and, if the seat is lifted, declares in a stern female tone

Oh, man... what a disaster of an idea. The first thing that's going to happen is that the guy who gets scolded in this way is going to use the damnable contraption for target practice. And then, that will cause the sound of the woman's voice to become a secondary reinforcer. With the end result of women all over the world getting peed on by their husbands every time they speak.

I think I'll pass on that one, thanks.