Because you like Mako Mori in Pacific Rim
Claudia may look young, but she is a wise and philosophical vampire, knowing of the world and the darker nature of man. See them in Interview with the Vampire: The Vampire Chronicles.
Quentin has his whole life mapped out. It might sound boring, but he likes boring. See them in Paper Towns.
A contemptuous aristocrat, Violet Crawley is unafraid to exert her authority and voice her opinions, no matter how harsh they are. See them in Downton Abbey.
A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.
Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.
Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.
Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
Clementine Kruczynski thinks that too many guys think she's a concept, or she completes them, or she's gonna make them alive. See them in Eternal Sunshine of the Spotless Mind.
Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.
Tiffany Doggett is usually a nice, good Christian. Just don't get her riled up! See them in Orange Is The New Black.