Because you like Susan Pevensie in The Chronicles of Narnia

Puss In Boots is a suave, honorable ladies man/cat who's not above playing cute to get you to let down your guard. See them in Shrek 2.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

Blunt, petty, neurotic, Larry David can never live and let live. See them in Curb Your Enthusiasm.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

Rhodes has to trust his conscience to guide him through a political struggle that could change the very shape of modern warfare. See them in Marvel Cinematic Universe.

For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.

A natural leader, Clarke Griffin dispenses both justice and mercy, and she does it all while being selflessly humble. See them in The 100.

Winry Rockbell is an energetic tomboy mechanic with an empathetic streak. See them in Fullmetal Alchemist.