Because you like Kyle Reese in The Terminator
Daria Morgendorffer is so defensive that she actively works to make people dislike her so that she don't feel bad when they do. See them in Daria.
What Troy Barnes lacks in common sense, he makes up for with heart. See them in Community.
Jo Wilson is an accomplished doctor who's getting over her past. See them in Grey's Anatomy.
Gina Linetti views herself as a sort of life coach/influencer to the rest of the office. She's not so keen on the "work" aspect of her job. See them in Brooklyn Nine-Nine.
Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.
Ciri had a princess upbringing, and some of the facts of common people's lives are a mystery to her. See them in The Witcher.
Tempestuous and talented, Claire Randall is a woman with a passionate heart and a quick mind. See them in Outlander.
James T. Kirk is more than ready to face the final frontier. See them in Star Trek.
Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.
A cocky surgeon, Stephen Strange is learning that magic is more real than he could ever imagine. See them in Marvel Cinematic Universe.
Harry Mason has been told that he worries too much, that he's a little paranoid. But he just wants to protect what he loves. See them in Silent Hill.