Because you like Rose Tyler in Doctor Who
Dee Reynolds is selfish, narcissistic, and a target of extremely cruel ridicule. See them in It's Always Sunny in Philadelphia .
Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.
Remy could be a five star Michelin chef, the only problem is that he is quite literally a rat. See them in Ratatouille.
A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.
An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.
Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.
Daphne Blake's unfailing enthusiasm keeps the team's morale up even as they're battling evil spirits and other ghouls. See them in Scooby-Doo.
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.
Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.