Rosetta is a woman from the Good Magician's Castle in Xanth. Her talent is animating objects. She was mentioned in Question Quest.
Rosetta was delivered in 973. She is the daughter of Rose and Humfrey; sister of Dafrey, Matt a Dor, Crombie, Hugo, and an unnamed sibling; and wife of Stone. She is 144 years old.
Her full name is Rosetta Bliss Humphrey, from which comes her nickname, Roy.