Because you like Sebastian Valmont in Cruel Intentions

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..

Simon Spier has long known that he's gay, but he doesn't know how to open up about that – even to his closest friends See them in Love, Simon.

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

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.

You couldn't ask for a better, or weirder, daughter like Cassie. See them in Marvel Cinematic Universe.

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

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

Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.

Ezra Fitz is a young English teacher hounded by his own relationship mistakes. See them in Pretty Little Liars.

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

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