Because you like Martha Jones in Doctor Who
The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.
Derek Morgan is thoughtful and kind, but he won't say no to knocking the occasional door down when he gets the chance. See them in Criminal Minds.
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
A brave "Young Wolf," Robb Stark has never lost a battle. See them in Game of Thrones.
Quicksilver is a cocky speedster who could run around the world in the time it's taking you to read this. See them in Marvel Cinematic Universe.
Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.
Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.
Newt Scamander is more comfortable with animals than people, even if the animals are super-dangerous magical creatures. See them in Fantastic Beasts and Where To Find Them.
Jasmine dreams of something more than palace life, and she's not afraid to go get it. See them in Aladdin.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
