Because you like Frances Houseman in Dirty Dancing
A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.
When he's not working as a detective, Lucifer is driving around in a black convertible or having one-night stands. See them in Lucifer.
While his twin tries to save lives, Millions Knives does the best to end them. See them in Trigun.
The son of Death has an obsession with perfection and symmetry. See them in Soul Eater.
For Kazuya Mishima, the power of the Devil is now his and his alone. See them in Tekken .
With a unique ability to empathize with killers, Will Graham helps society but his sanity pays the price. See them in Hannibal.
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.
Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.
Oscar Jarjayes is a sword-swinging, fearless Commander of the Royal Guard who cross-dresses as a man. See them in Rose of Versailles.
Moe Szyslak is the crabby owner of the grimiest bar in Springfield. See them in The Simpsons.
Galina Reznikov is the head chef of prison, cooking up meals as well as storms on anyone who dares to cross her; even the guards are terrified of her. See them in Orange Is The New Black.