Because you like Dean Moriarty in On the Road
Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.
White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.
Susie Salmon has a big heart, even though it's not beating anymore. See them in The Lovely Bones.
Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.
Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.
Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
A literal fallen star, Yvaine is temperamental, sarcastic, and a bit on edge. See them in Stardust.
Tiffany Maxwell wishes people would stop reminding her about her dead husband. See them in Silver Linings Playbook.
Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.
Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.