Because you like Sebastian Valmont in Cruel Intentions

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

Success for Eggsy Unwin means joining Kingsman, and failure could mean death. See them in Kingsman: The Secret Service.

After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..

Kelly Kapoor's interests are office gossip, pink (the color), Pink (the singer), snow cones, the temp Ryan, and "basically, anything that is awesome." See them in The Office.

A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.

Mr. Pink doesn't tip. Enough said. See them in Reservoir Dogs.

Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.

Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.

They say prison changes you, and Piper Chapman is figuring that out the hard way. See them in Orange Is The New Black.

Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.

Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.

Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.