Because you like Cassie Sullivan in The 5th Wave

In Ziva David's world, you grow up fast; you don't have a choice. See them in NCIS.

The singer and ukulele player of her girl band, Sugar "Kane" Kowalczyk is the life of a party and the woman of a man's dreams. See them in Some Like It Hot.

A goldfish princess, Ponyo follows her dreams wherever they lead her. See them in Ponyo.

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

Viking Astrid Hofferson has it all: brains, brawn, and some killer braids. See them in How to Train Your Dragon.

Tony Stark's interests include cocktails, beautiful women, particle physics, and saving the world. See them in Marvel Cinematic Universe.

Terence Fletcher is a brutal and unflinchingly strict music teacher hell-bent on whipping his students into shape. See them in Whiplash.

Tiana lives by a simple motto: "Fairy tales can come true. But you gotta make them happen, it all depends on you." See them in The Princess and the Frog.

A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.

Beth March is the glue that holds her family together. See them in Little Women.

Shawn Hunter may be a bit of a rebellious bad boy, but he has a heart that's pure gold. See them in Boy Meets World.

Korra is stubborn, outgoing, and faced with huge responsibilities she might not be ready for. See them in The Legend of Korra.