Because you like Lisa Cuddy in House M.D.

Abandoned by her parents, Rey made her living selling scrap metal and got used to being her own friend and teacher. See them in Star Wars Series.

There are certain souls the surprisingly sensitive Death would rather not reap. See them in The Book Thief.

Anger-filled, merciless, and tortured, Kylo Ren is always at war—with the Rebel Alliance, and with himself. See them in Star Wars Series.

Neytiri is an accomplished woman with no patience for stupidity. See them in Avatar.

Hell hath no fury like an evil fairy scorned. See them in Maleficent.

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.

Emily Fields has been very guarded, careful of whom she trusts and reveals her secrets to. See them in Pretty Little Liars.

Megara is a tough-as-nails survivor hidden behind a pretty face. See them in Hercules.

An outgoing and quirky optimist, Louisa Clark has a zest for life. See them in Me Before You.

While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.

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

Nina Sayer finally landed the role of prima ballerina, but as tension ramps up in rehearsal, she starts losing her mind. See them in Black Swan.