Re: Scary!
Greek, I think. And I recall a tale whereby Asaph Hall, the discoverer of the two moons, had returned to his observing after being shouted at by his wife, Angelina Strickney - and having discovered them, named them 'Fear' and 'Terror' in her honour.
One of them - Phobos? - has a crater caused by an impact that had it been any bigger, would have shattered the moon: it's named 'Strickney'.