Because you like Billy Costigan in The Departed

Don't let Princess Peach's sweet, gentle nature fool you. Princess Peach can put up a good fight. See them in Super Mario Bros..

Empathetic Nausicaa embraces all forms of life, even those that might scare other people. See them in Nausicaa of the Valley of the Wind.

All the world's a stage, and Missy Piggy's never one to give up the spotlight. See them in The Muppet Movie.

If there's any hope of resolving things peacefully, this proud ape leader will have to trust the humans. See them in Dawn of the Planet of the Apes.

The Warden of the camp says that digging holes in the desert builds character, but Stanley Yelnats suspects there's more to it. See them in Holes.

Park feels like an outsider everywhere he goes, but he doesn't know if he wants to try fitting in anymore. See them in Eleanor and Park .

Carl Gallagher is a budding psychopath fascinated with rule breaking. See them in Shameless.

Quiet and brooding, Ennis Del Mar keeps his true passions close to the chest. See them in Brokeback Mountain.

Cutting ties with her con-artist friends, Sarah Manning is creating a better life for her daughter by taking on the identity of the deceased Beth. See them in Orphan Black.

Cooper says he used to look up at the sky and wonder at our place in the stars, but now he looks down and worry about our place in the dirt. See them in Interstellar.

Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.

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 .