Because you like Sarah Manning in Orphan Black
Django was once a slave. Now that he has a taste of freedom, he understandably wants a full meal. See them in Django Unchained.
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
Lois Lane's journalistic success is the result of her tenacity. She will doggedly pursue her leads until discovering the information she needs. See them in DC Extended Universe.
Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .
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.
The adventurous daughter of Port Royal's governor, Elizabeth Swann would rather conspire with pirates than sit pretty in her corset. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Margaery Tyrell is one of the most adept and charming liars there is. See them in Game of Thrones.
Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.
Sharply perceptive and stubbornly principled, Jane Eyre might not have a very loud voice, but she knows when and how to use it. See them in Jane Eyre.
Aimee Finecky has big dreams, but she's too busy taking care of everyone else's desires. See them in The Spectacular Now.
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.
A powerful mob boss, Vito Corleone is always making offers people can't refuse. See them in The Godfather.