Because you like Lyra Belacqua in The Golden Compass
Klaus Baudelaire's photographic memory saves the lives of his siblings many times over. See them in Lemony Snicket's A Series of Unfortunate Events.
Tempestuous and talented, Claire Randall is a woman with a passionate heart and a quick mind. See them in Outlander.
Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.
Although Jareth seems like he's just a harmless romantic, his powers make him a formidable foe. See them in Labyrinth.
Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.
Merciless and manipulative, Queen Ravenna is determined to become the fairest of them all. See them in Snow White and the Huntsman.
Claire Temple is a dedicated nurse providing secret care to New York's vigilantes. See them in Marvel Cinematic Universe.
He's a dedicated cop and a nice guy. But James Gordon is learning that Gotham is not a city for nice guys. See them in Gotham.
Leonidas is not the kind of king who merely gives orders; rather, he's out on the battlefield fighting alongside his men. See them in 300.
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.