Because you like Ethan Hunt in Mission: Impossible
Cynicism is his armor and words are his weapons, but what Tyrion Lannister would really like is some nice wine. See them in Game of Thrones.
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 .
Claire Temple is a dedicated nurse providing secret care to New York's vigilantes. See them in Marvel Cinematic Universe.
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.
Society may reject Felicia, but this bubbly catwoman just wants to spread happiness to others. See them in Darkstalkers .
Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.
Betty Cooper seems like a sweet girl, but she also has a dark side and can go beyond what's safe or sane. See them in Archie Comics.
A superpowered test subject, Scarlet Witch can manipulate other people's thoughts and force them to confront their worst fears. See them in Marvel Cinematic Universe.
For Scout Finch, growing up means learning the world is a more complicated place than you once thought. See them in To Kill a Mockingbird.
Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.
Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .