Because you like Alexa Woods in Alien vs. Predator
Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.
His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.
Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.
A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.
Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.
Hell hath no fury like an evil fairy scorned. See them in Maleficent.
After surviving consecutive fights-to-the-death (damn you, President Snow!), Katniss Everdeen is thrust to the front lines of a real war. See them in The Hunger Games .
A bookish know-it-all with a bossy streak, Hermione Granger always stands up for what she believes in. See them in Harry Potter Series.