Because you like Edith Crawley in Downton Abbey
Satine cynically gives up on love so she can advance her singing career. But she meets a dreamer who reminds her there's more to life than ambition. See them in Moulin Rouge.
A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.
Miss Peregrine exists to protect her wards, whether they like it or not. See them in Miss Peregrine's Home for Peculiar Children .
Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.
An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.
Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.
You'll never get Alaska Young. And that's the whole point. See them in Looking for Alaska.
Kubo is a storyteller at heart who's tapping into his sense of adventure. See them in Kubo and the Two Strings.
Bo Dennis once dreamed of being prom queen, but then she found out that she's part of some ageless secret race that feeds on humans. See them in Lost Girl.
Darlene is a free-spirited hacktivist who follows her own moral compass. See them in Mr. Robot.