Yvaine (Stardust)
The novella
Yvaine is the heroine of Neil Gaiman's novel Stardust. She is a fallen star who is found by young Tristan Thorne and they have an amazing adventure en in the magic realm of Stormhold. Three wicked witches try to get Yvaine so they have back their youth and beauty. The sons of the king of Stormhold also want her.
In the movie
After she crashes into the ground, a villager of the Village of Wall finds her. His name is Tristan Thorne (Charlie Cox) and he wants her, because he promised her beloved Victoria (Sienna Miller) (the prettiest girl in the whole village) that he would give her that fallen star (so Victoria would agree to marry him). But when he discovers that she is not what he expected (becuase she is a beautiful, young and spirited woman)(Claire Danes), he helps her because she was injured by her cosmic tumble. However, Tristan is not the only one seeking the star. Now Yvaine is in terrible danger because the living sons of the King(Peter O'Toole) are lookin for her, because only she can secure the throne for one of them. Also the three witches known as "The Lilim" (Mormo, Empusa and the eldest and the most powerful: Lamia (Michelle Pfeiffer) want her because they want to recover their beauty and eternal youth. As Tristan sets to protect Yvaine and bring her back to his beloved at the other side of the wall, his journey will bring incredible encounters with a pirate captain: Captain Shakespeare (Robert De Niro), and a shady trader (Ricky Gervais), among other surprises. Lots of things he never imagined happen: He falls in love with Yvaine, fights against Lamia and more.
Yvaine
Yvaine is an evening star - one who shines brightly enough to be seen even by day. Like other stars she eats darkness and drinks light, but unlike so many of her less complex sisters, she loves to gaze down and watch the earth; seeing the lives and adventures of mankind unfold helps to make eternal life a little more interesting...and a little less lonely. Not that Yvaine would ever admit to feeling alone - fiercly independent, it would irk her to admit craving or needing anything from anybody. Nor would she wish to see man at any closer quarters: four hundread years ago, one of her sisters fell to earth and was never seen again, and the rumor in the night skies is that she met a most terrible fate...