Because you like Alastar Mad-Eye Moody in Harry Potter Series

Taystee Jefferson is always down for a laugh and to help a friend out. See them in Orange Is The New Black.

Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.

Angela Martin is uptight and puritanical, outside of the affair she's having with a co-worker. See them in The Office.

Ally Maine is a star who is about to be born. See them in A Star is Born.

Raven Reyes may be a deliquent, but she's also the youngest zero-gravity mechanic who fixed a 130-year old escape pod to make it through the descent to Earth. See them in The 100.

As a psychokinetic who was raised in a lab, Eleven is finding Indiana to be a scary world. But at least she's discovered Eggo waffles. See them in Stranger Things.

Stefan Salvatore was the golden boy when he was alive. Can he keep it up as a vampire? See them in The Vampire Diaries.

For Elton John, the road to stardom is a rocky ride. See them in Rocketman.

Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

Juliet Capulet falls head over heels for her rival family's resident sweet talker, Romeo. See them in Romeo & Juliet.

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