Because you like P.L. Travers in Saving Mr. Banks
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.
Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.
Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.
Alex Russo desperately wants to keep her magic – after all, things are so much easier when you can just wave a wand. See them in Wizards of Waverly Place.
The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.
Although she's only six, Hushpuppy is a tough girl ready to stand up to terrifying, pre-historic beasts after the storm. See them in Beasts of the Southern Wild.
Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.
Playing his cards close to his vest, J. Daniel Atlas believes the closer you look, the less you see. See them in Now You See Me.
This lab mouse has one thing on his huge brain: trying to take over the world on a nightly basis. See them in Pinky and the Brain.
Extremely violent and loyal, Sandor Clegane is called the Hound for a reason. See them in Game of Thrones.