Because you like Katara in Avatar: The Last Airbender

Shrek is a nasty-on-the-surface ogre with a heart of gold and an earful of wax. See them in Shrek.

Sid Jenkins is the ultimate underachiever, but he doesn't mind. Well, he pretends he doesn't. See them in Skins.

Both brave and foolhardy, Thomas trusts his instincts above all else. See them in The Maze Runner.

Jacob Black is the boy next door who's also the wolf next door. See them in Twilight.

With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.

A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.

Nothing instills more fear in the Empire than the deep kshhh of Darth Vader breathing through his helmet. See them in Star Wars Series.

John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.

Armed guards, FBI agents, notorious serial killers – Hannibal Lecter has bested them all, with time to finish dessert afterwards. See them in The Silence of the Lambs.

For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.

If there's any hope of resolving things peacefully, this proud ape leader will have to trust the humans. See them in Dawn of the Planet of the Apes.