Usagi also has raised people from the dead (her friends), cast out demons (repeatedly), returned from the grave herself (admittedly by reincarnation/time-travel), and certainly qualifies as Princess of Peace.…I was about to say that the big diff is that Sailor Moon doesn't offer salvation through Jesus, but then I remember that C.S.Lewis pointed out that different worlds would have different saviors. Gee, that's kind of a creepy/weird/awesome idea, that Serenity is a Messiah. Huh. Kind of works, though. And she is a mortal woman, while also being a deity… hmmmm.