Because you like Neal Cassidy in Once Upon a Time
Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.
Omar Little is a pretty chill guy, as long as you can forgive the stealing and killing people. See them in The Wire.
Southern belle Scarlett O'Hara is a heart-melter who has no problem looking after herself. See them in Gone with the Wind.
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.
If Anna Liebert could remember her past, maybe she would know who she is. See them in Monster (TV Show).
Scott Pilgrim's superhero suit is just a video game t-shirt and sweatbands. But this slacker is brave enough to fight all his girlfriend's evil exes. See them in Scott Pilgrim vs. the World.
Veronica Sawyer thinks that if you were happy every day of your life you wouldn't be a human being, you'd be a game-show host. See them in Heathers.
A brilliant "extractor," Dom Cobb has spent the past few years running from the authorities and his inner demons. See them in Inception.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.
Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.
While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.