Because you like Buttercup in The Princess Bride

Ianto Jones' withdrawn nature conceals his emotional pain. See them in Torchwood.

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

Fiercely independent and extremely hot-blooded, Ryuko Matoi prefers to work alone. See them in Kill la Kill.

The self-described "ghost with the most" knows the ins-and-outs of specter life like no other. Just ask him. See them in Beetlejuice.

Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.

Disgust is a friend who makes sure you stay away from all things gross. See them in Inside Out.

Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.

A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.

A life spent as "Number Two" is bound to give Diego Hargreeves an inferiority complex. See them in The Umbrella Academy.

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.

Gilderoy Lockhart's biggest idol is himself. See them in Harry Potter Series.

Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.