Because you like Mrs. Who in A Wrinkle in Time

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.

Freddie Freeman is a superhero aficionado with a dark sense of humor. See them in DC Extended Universe.

Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.

Peter Pevensie shows as much courage as a child king as he did under The Blitz of London. See them in The Chronicles of Narnia.

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.

Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.

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

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

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.

Jyn Erso is a rebellious criminal tasked with stealing the blueprint to the Death Star to find its fatal flaw before it destroys the planet. See them in Rogue One.