Because you like Lennie Small in Of Mice and Men
James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.
K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.
Macbeth was probably named "Most Likely to Kill His Rivals" in his senior yearbook. See them in Macbeth.
Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.
Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.
Therese Belivet spent her life letting other people guide her along, and she wants to take control now. See them in Carol.
Though he has a brilliant mind for mathematics, Christopher has a much harder time processing the rest of the world. See them in The Curious Incident of the Dog in the Night-Time.
Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.
Lloyd Dobler is a kickboxer wearing his heart on his sleeve who would do anything for the woman he loves. See them in Say Anything.
It's hard enough for Marta Cabrera to be part of a murder investigation, but when you can't lie? See them in Knives Out.
Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.