Because you like Rayon in Dallas Buyers Club
A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.
Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.
This mathematical genius doesn't have time for small talk; Alan Turing needs to break Enigma, the Nazi's cipher machine. See them in The Imitation Game.
A self-professed psychopath, James kills small animals for fun. After getting bored of that, he is ready for an ambitious murder. See them in The End of the F World.
Christine Palmer is a great surgeon and an even better friend. See them in Marvel Cinematic Universe.
A good guy who's made some bad choices, Scott Lang is driven in his quest for redemption. See them in Marvel Cinematic Universe.
Make sure not to anger the Hulk or else he will transform into a giant green monstrosity and smash anything in his way. See them in Marvel Cinematic Universe.
Princess Fiona is a damsel who doesn't need saving, but she's cursed with an embarrassing secret. See them in Shrek.
Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.
Disgust is a friend who makes sure you stay away from all things gross. See them in Inside Out.
Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.