Because you like Clara Oswald in Doctor Who

Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.

Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.

Christine Palmer is a great surgeon and an even better friend. See them in Marvel Cinematic Universe.

Although life in a post-apocalyptic world is far from easy, Julie Grigio maintains her sense of humor. See them in Warm Bodies.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

For Morgana, sometimes wanting to do the right thing can led you down the wrong path. See them in Merlin.

Caitlin Snow believes that burying herself in science is the best way to save the day or to mend a broken heart. See them in DC Extended Universe.

Winn Schott is just your friendly neighborhood superhero support system. See them in Supergirl.

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.

Part archaeologist, part philosopher, part politician, Jean-Luc Picard is an unashamed intellectual who runs a tight ship. See them in Star Trek: The Next Generation.

Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.

Neal Cassidy is a charming former thief with a heroic side. See them in Once Upon a Time.