Because you like Tohru Honda in Fruits Basket

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

A hurricane of a human being, Marla Singer is destructive and unforgettable. See them in Fight Club.

When Kat starts to develop confidence, she realizes that there is nothing more powerful than a fat girl who doesn’t give a damn. See them in Euphoria.

A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.

Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.

Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

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

Loyal to his family and associates and distrustful of anyone else, Tony Soprano is a good guy to have on your side. See them in The Sopranos.

A man of the court, Lord Varys knows how to manipulate it better than anyone. See them in Game of Thrones.

Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.

John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.