Because you like Natasha Rostova in War and Peace
The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.
Edmund Pevensie isn't a bad person, but he did sell his siblings out for a tin of Turkish Delight. See them in The Chronicles of Narnia.
Somehow all of Lara Jean Covey's past crushes know everything she's ever felt about them. Embarrasing? Yes, but hey, now she has a boyfriend. See them in To all The Boys I've Loved Before.
Being beautiful and rich doesn't guarantee happiness for Cheryl Blossom. See them in Riverdale.
Neal Cassidy is a charming former thief with a heroic side. See them in Once Upon a Time.
Luke Skywalker always wanted to leave home, but he didn't expect that it would be as part of a quest to rescue a princess and save the galaxy. See them in Star Wars Series.
Simba just can't wait to be king, but he's got a lot of growing up to do first. See them in The Lion King.
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.
Titus Andromedon will show you the ropes, help you with your problems, and sing at you constantly, whether you like it or not. See them in Unbreakable Kimmy Schmidt.
Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.