Because you like Lindsay Weir in Freaks and Geeks
Aerith Gainsborough has lived a simple life, but when the world is threatened she's willing to step up and do whatever she can to help. See them in Final Fantasy Series.
Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.
Point the fun-loving Pippin Took towards second breakfast, and he's one happy hobbit. See them in The Lord of the Rings.
Quirky and wildly imaginative, Amelie finds joy in the unnoticed things in life and aspires to bring happiness to all. See them in Amelie.
Celie Johnson says she's poor, black, and may even be ugly. But dear God she's here. See them in The Color Purple.
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.
Despite the dissolution of his state, Prussia hangs on – mooching off his younger brother Germany and reading comics. See them in Axis Powers Hetalia.
Henry Mills is an idealistic young boy with the heart of the truest believer. See them in Once Upon a Time.
Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.