Because you like Ernie in Sesame Street

Steve Harrington is a cool big man on campus. See them in Stranger Things.

The brilliant Mona Vanderwaal is proof that undergoing an "extreme makeover" isn't always a good thing. See them in Pretty Little Liars.

Gilbert Blythe is crushing on a red-haired orphan. See them in Anne With an E.

Beth March is the glue that holds her family together. See them in Little Women.

A premier member of the leather cat-suit club, Selene can chill you with a stony look, or ice you with her ninja moves. See them in Underworld.

It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.

Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.

A free-spirited girl, Kim doesn't judge by appearances. See them in Edward Scissorhands.

Marinette Dupain-Cheng is a shy teenage girl, fashion designer, and superhero. See them in Miraculous: Tales of Ladybug & Cat Noir.

Miles Morales was bitten by a radioactive spider, put on the webbed spandex, and beat up his first bad guy before his voice changed. See them in Marvel Cinematic Universe.

Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.

If this slick ad man doesn't like the conversation, he changes it—while drinking and smoking. See them in Mad Men.