Because you like C. J. Cregg in The West Wing

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.

A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.

After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.

If only real life were as easy for Abed Nadir to understand as he knows pop culture. See them in Community.

Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.

If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.

K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.

Kumar Patel is always high, always hungry for sliders. See them in Harold & Kumar Go To White Castle.

Cosette is an idealistic woman whose innocence stands in contrast to her harsh childhood. See them in Les Miserables.

Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.

Jason Bourne is suffering amnesia, but considering what he's done as a CIA assassin, maybe that's for the best. See them in The Bourne Identity.

Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.