Because you like Wendy Testaburger in South Park

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

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.

A champion of chivalry, Don Quixote is dutifully bringing good to the world—even when others think he's out of his mind. See them in Don Quixote.

Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.

Though bold and pure of heart, Utena Tenjou has a fairytale vision of the world that can make her oblivious to its darkness. See them in Revolutionary Girl Utena.

It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.

Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.

A believer in the philosophy of Nietzsche, Dwayne Hoover has taken a vow of silence until he becomes a test pilot for the Air Force. See them in Little Miss Sunshine.

An obsessive schoolgirl, Yuno has two sides to her personality, and both are equally unnerving. See them in The Future Diary.

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

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.