Because you like Madame Vastra in Doctor Who

Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.

Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.

Velma Kelly will do anything to get the limelight back. See them in Chicago.

A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.

The seasoned detectives in River Heights have got nothing on amateur sleuth Nancy Drew. See them in Nancy Drew.

Merry Brandybuck is a troublemaking hobbit with a brave streak that some might call foolhardy. See them in The Lord of the Rings.

Beneath Arthur's brash demeanor lurks the heart of a compassionate future king destined to unite the five kingdoms. See them in Merlin.

Greg Lestrade is gruff, loyal, and quietly competent. See them in Sherlock.

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.

It turns out breaking open an ancient cursed statue will do funny things to a girl like Enchantress. See them in Suicide Squad.

Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.