Because you like Maeve Millay in Westworld
Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.
Bobby Singer is a redneck ghost hunter, but all he wants to do is retire to the junk yards of South Dakota. See them in Supernatural.
Satine cynically gives up on love so she can advance her singing career. But she meets a dreamer who reminds her there's more to life than ambition. See them in Moulin Rouge.
Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.
There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.
No one else in fsociety can hack like Elliot Alderson, but the battles being waged in his head are often more than he can handle. See them in Mr. Robot.
Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.
A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.
Quinn Fabray can become a monster when there is something she wants. See them in Glee.
David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.