Rose Grayson is a 19 year old woman with the secret superhero identity, her father is Nolan Grayson. And her mother is Debbie Grayson, whose superhero identity is omni woman. Omni woman and invincible are the two most powerful superheroes on earth at the moment, because of the fact she is half viltrumite, a species of alien from the planet viltrum who have adapted super abilities to cope with the harsh environment, Rose is half human from her father and half viltrumite from her mother.