Because you like Catherine Tramell in Basic Instinct
Bucky Barnes used to be a good-hearted American soldier. Now he's the cold-hearted Winter Soldier. See them in Marvel Cinematic Universe.
Tiffany Doggett is usually a nice, good Christian. Just don't get her riled up! See them in Orange Is The New Black.
A free-spirited artist, Marjane Satrapi is living under the shadow of an oppressive society. See them in Persepolis.
Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
Donkey Kong is a strong, banana-loving, and caring uncle to Diddy Kong. See them in Donkey Kong.
Quicksilver is a cocky speedster who could run around the world in the time it's taking you to read this. See them in Marvel Cinematic Universe.
Others see him as the town nutcase, but Flint Lockwood knows his inventions will change the world someday. See them in Cloudy with a Chance of Meatballs.
Joe Goldberg works at a local bookstore and charms most girls sock's off. He is also a serial killer, but no one is perfect! See them in You.
Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.
Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.