Because you like Martha Jones in Doctor Who
Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.
Bran Stark discovered a scandelous family secret. He swore to keep quiet but soon found himself on the receiving end of attempted murder. See them in Game of Thrones.
Leonardo is spiritual, and devoted to more than just pizza. See them in Teenage Mutant Ninja Turtles.
White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.
Tifa Lockhart is part mother hen, part martial arts bad-ass. See them in Final Fantasy Series.
Ciri had a princess upbringing, and some of the facts of common people's lives are a mystery to her. See them in The Witcher.
When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.
A brave but pessimistic nobleman, Boromir knows one does not simply walk into Mordor. See them in The Lord of the Rings.
Will Turner is an earnest, lovelorn blacksmith's assistant with an adventurous spirit. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Luke Skywalker always wanted to leave home, but he didn't expect that it would be as part of a quest to rescue a princess and save the galaxy. See them in Star Wars Series.
Kubo is a storyteller at heart who's tapping into his sense of adventure. See them in Kubo and the Two Strings.