Because you like Martha Jones in Doctor Who

A Berlin-based locksmith by day, Wolfgang Bogdanow is a world-class thief by night. He can also see out of other people's eyes, but that's a different issue. See them in Sense8.

Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).

How is angel Aziraphale supposed to stop the apocalypse when Hell's forces misplaced the Antichrist somewhere? See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.

Beloved by all, Lucy is the most corageous Pevensie. See them in The Chronicles of Narnia.

Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.

Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.

Though he may be blind, Chirrut Imwe sees the power of the force more than most. See them in Rogue One.

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

A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.

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

Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.