Because you like Pamela Voorhees in Friday the 13th
Tony Montana makes up for his language barrier with his immense skill at cursing as loud and effectively as humanly possible. See them in Scarface.
White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.
Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.
Scooby-Doo always keeps his priorities in order: eat snacks first, solve mysteries later. See them in Scooby-Doo.
Most of the world has been wiped out from The Beast. And when The Beast comes, Cole MacGrath will be ready. See them in inFAMOUS.
Success for Eggsy Unwin means joining Kingsman, and failure could mean death. See them in Kingsman: The Secret Service.
Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.
Warm and caring, Kitty Forman acts like a mom towards all of her kids' friends. See them in That '70s Show.
Quinn Fabray can become a monster when there is something she wants. See them in Glee.
You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.
There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.