Because you like King Leonidas in 300

Regina Mills is a cold evil queen turned chilly town mayor. See them in Once Upon a Time.

This mathematical genius doesn't have time for small talk; Alan Turing needs to break Enigma, the Nazi's cipher machine. See them in The Imitation Game.

April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.

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

Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.

Ferociously independent and wickedly smart, Fiona Goode is a Supreme Witch who truly reigns supreme. See them in American Horror Story.

Intelligent and compassionate, Hazel Lancaster would rather face things, even bad things, than sugarcoat the truth. See them in The Fault in Our Stars.

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

Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.

Twisted and seemingly soulless, Bellatrix Lestrange finds joy in making others suffer. See them in Harry Potter Series.

A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.

Danny Zuko's car is auto-matic. Its system-matic. Its hyyyyydro-matic. Why, its greased lightning! See them in Grease.