Because you like Susan Mayer in Desperate Housewives

A charming acapella performer, Jesse Swanson perfectly blends being nerdy with being cool. See them in Pitch Perfect.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

The party never really ends with Penny Lane, a rock-worshipping groupie who is refreshingly self-aware and free-spirited. See them in Almost Famous.

Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.

Sue Sylvester has a win-at-all-costs philosophy, a bizarre fixation on a school singing club, and a fashion style that involves a red tracksuit. See them in Glee.

Emma Frost's superpower: transforming her body into an unbreakable diamond. See them in X-Men Series.

Jorah Mormont is loyal to his queen. And he's quite in love with her as well. See them in Game of Thrones.

Peter Kavinsky is a jock who only cares about getting back at his ex, or so he says. See them in To all The Boys I've Loved Before.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

Tonya Harding has been shoved around her whole life. She just wants to feel free. See them in I Tonya.

Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.

Rachel Goldberg is a drama-causing reality TV producer with the power to ruin people's lives at the click of a button. See them in UnREAL.