Because you like Frederick Frankenstein in Young Frankenstein

An agile and powerful swordswoman, Saber is a dignified warrior down to her bones. See them in Fate/Stay Night.

Joe Goldberg works at a local bookstore and charms most girls sock's off. He is also a serial killer, but no one is perfect! See them in You.

Arizona Robbins loves being a pediatric surgeon, and the cute orthopedic surgeon downstairs makes coming into work worth her while. See them in Grey's Anatomy.

Howl puts the "tortured" in tortured artist. He just wants to be recognized for his work, but no one wants to trust a boy that sorta looks like a bird. See them in Howl's Moving Castle.

Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.

Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.

Foul mouthed and disturbingly comfortable with violence, Hit-Girl is a precocious assassin who doesn't need anyone's protection. See them in Kick-Ass.

A crooked cop, Harvey Bullock is the product of a not-so-just criminal justice system. See them in Gotham.

This beautiful aesthete wins the hearts of both ladies and men. But Dorian Gray also happens to have his soul sealed in a painting. See them in Dorian Gray.

Captain Spock is on a five-year mission exploring the final frontier and boldly going where no man has gone before. See them in Star Trek.

Tracy Turnblad's got rhythm, and she's determined to share her dance moves with the world. See them in Hairspray.

It's time somebody has to take over. It might as well be Fish Mooney. See them in Gotham.