Because you like Claire Littleton in Lost
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
Dee Reynolds is selfish, narcissistic, and a target of extremely cruel ridicule. See them in It's Always Sunny in Philadelphia .
Alex Vause's tattoos and tough exterior cover the fact that she's just a girl with a really intense crush. See them in Orange Is The New Black.
Hunting ghosts is both a job and a passion for Abby Yates. See them in Ghostbusters (2016).
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
Belle is an adventurous, intelligent fairy tale maiden who strives to see the best in everyone. See them in Once Upon a Time.
A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.
Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.
Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.
Oscar Martinez is a national accountant in an office of weirdos. See them in The Office.
A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.