Because you like Nymphadora Tonks in Harry Potter Series

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

Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.

Polite and clever, Annie James is not afraid to stir up a little mischief. See them in The Parent Trap.

Selfishly taking her father’s place to fight in the Imperial Army, Hua Mulan risks treason if they find out she isn’t who she says she is. See them in Mulan.

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

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

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.

A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.

Michael Moscovitz is a high school student of few words but a lot of heart. See them in The Princess Diaries.

A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.

With her mastery of martial arts and her prodigious building skills, Wyldstyle projects an air of invincibility. But she's not bulletproof. See them in The Lego Movie.