Fenestra

Madame Fenestra was a performer in Dr. Marvello's travelling space circus. Marvello introduced her as "Mistress of the occult, the only woman capable of reading the innermost secrets of the soul and materializing thoughts, the one and only Fenestra, Queen of Mystery." When one of her props malfunctioned, she is startled to find that Will Robinson, her "mark" is capable of performing her materialization in reality