Because you like Susan Pevensie in The Chronicles of Narnia

Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.

No one else in fsociety can hack like Elliot Alderson, but the battles being waged in his head are often more than he can handle. See them in Mr. Robot.

Raphael is a short-fused hothead who loves a good fight and some tasty pizza. See them in Teenage Mutant Ninja Turtles.

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.

A free-spirited artist, Marjane Satrapi is living under the shadow of an oppressive society. See them in Persepolis.

After several hundred years of shutting himself out from the rest of the world, Japan's not used to dealing with nations, See them in Axis Powers Hetalia.

What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.

A crooked cop, Harvey Bullock is the product of a not-so-just criminal justice system. See them in Gotham.

When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..

This metal-bending mutant may be misaligned with the genetically normal people of the world, but Magneto's got class for days. See them in X-Men Series.

Jack Frost would rather crack a joke or throw a snowball than take anything seriously. See them in Rise of the Guardians.

His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.