Because you like Harvey Dent / Two-Face in DC Extended Universe
A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.
A working class janitor with a world-class mind, Will Hunting is cocky, brash, and combative about his future. See them in Good Will Hunting.
Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.
Joey Potter is a low-key girl next door in love with her best friend. See them in Dawson's Creek.
A suave proprietor of an upscale nightclub and gambling den, Rick Blaine is dealing with World War II and a broken heart. See them in Casablanca.
Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.
There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
Jughead Jones loves burgers, his friends, and philosophizing with his unique brand of wisdom. See them in Archie Comics.
Andy Bernard is a preppy Cornell grad who's very likely to break into an acapella performance. See them in The Office.