Jeanie is, contrary to popular belief, not a genie. Her power is mindcasting, which is like super-mind-reading. Not only can she read minds, she can taste how people are feeling, and she can screw with people's thoughts. Also, she can exchange information with other mindcasters by touching them. She appears to have a distaste for Earth, at one point refering to it as "Loserville". She is Aaron's older sister, and they are the only two mindcasters left.