Because you like Jeff Lebowski in The Big Lebowski

Whether it's a companion he’s failed or lingering guilt from the war, the Doctor can never truly let go of his past lives. See them in Doctor Who.

Rue is an icy prima ballerina whose obsession with perfection obscures a hidden desire to be loved. See them in Princess Tutu.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

A no-nonsense professor famous for her strictness, Minerva McGonagall only shows her warmer side to those closest to her. See them in Harry Potter Series.

Bucky Barnes used to be a good-hearted American soldier. Now he's the cold-hearted Winter Soldier. See them in Marvel Cinematic Universe.

David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.

Dean Forester is just your friendly, neighborhood grocery bag boy. See them in Gilmore Girls.

Hannah Baker is a buoyant spirit broken by the cruelties of high school. See them in Thirteen Reasons Why .

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

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .