Because you like Phoebe Caulfield in The Catcher in the Rye
She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.
A caring, curious, and considerate android, Vision could crush your skull if he had to. But he'd rather not. See them in Marvel Cinematic Universe.
Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.
Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.
Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.
Tina Cohen-Chang is a shy loner who becomes a fierce performer on stage. See them in Glee.
It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.
Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.
When the Sorting Hat touched Draco Malfoy's head, it placed him in Slytherin, a house that has turned out more dark wizards than any other. See them in Harry Potter Series.
Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.
Olivia Benson brings order to a world full of chaos. And she never forgets who she's fighting for. See them in Law & Order: Special Victims Unit.