Because you like Callie Torres in Grey's Anatomy
Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.
In a rag-tag group of kids determined to take down the imperialistic Fire Lord, Katara is the glue that holds them together. See them in Avatar: The Last Airbender.
You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.
His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.
Handsome Jack is wearing a mask of his own face to hide his scarred real one. See them in Borderlands Series.
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
Jail hasn't broken Andy Dufresne's spirit, but will his spirit help break him out of jail? See them in The Shawshank Redemption.
Chewbacca is a loyal co-pilot who won't hesitate to rip your arm off. See them in Star Wars Series.
How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.
Abbi Abrams is the ultimate wingwoman because she wants nothing more than to have a good time for its own sake. See them in Broad City.
Anna Karenina doesn't want to be a respectable woman any more. She thinks respect was invented to cover the empty place where love should be. See them in Anna Karenina.