Because you like Helena in Orphan Black
A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.
Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.
D.J. Tanner is a rebellious teen who wishes her lame dad would butt out of her personal life. See them in Full House.
Poussey Washington is a former army brat who loves to read and loves her friends. See them in Orange Is The New Black.
Don't ask the ruthless queen of the Tokyo underworld any questions unless you're fine with losing a limb. See them in Kill Bill vol. 1.
Margaery Tyrell is one of the most adept and charming liars there is. See them in Game of Thrones.
People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.
Don't underestimate Maggie Greene. She's a farm girl with a mission. See them in The Walking Dead.