Because you like Calvin O'Keefe in A Wrinkle in Time

Equal parts funny and neurotic, Cory Matthews has a warm and generous spirit. See them in Boy Meets World.

With an undeniable sense of adventure, Huck Finn is an expert at getting into and, more importantly, out of sticky situations. See them in The Adventures of Huckleberry Finn.

A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.

Riggan Thomson is a washed-up movie star running from his inner demons. Alas those inner demons look just like the superhero he used to play. See them in Birdman.

Romantic, impulsive, and captivated by the joys of life, Natasha Rostova is on the messy path of growing up. See them in War and Peace.

Lily Aldrin is a flaky but supportive kindergarten teacher and painter. See them in How I Met Your Mother.

Columbus can't trust anyone. The first girl he let into his life tried to eat him. See them in Zombieland .

Beneath Arthur's brash demeanor lurks the heart of a compassionate future king destined to unite the five kingdoms. See them in Merlin.

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

Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.

Kevin Khatchadourian is a disturbed, affect-less teen on a dark path. See them in We Need to Talk About Kevin.