Because you like Will Graham in Hannibal
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.
You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.
Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.
Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.
Saul Goodman can get just about any lying crook off the hook in court. Well, as long as he can make a buck out of it. See them in Breaking Bad.
Romantic, tortured, and at times cruel, Heathcliff is an intense man. See them in Wuthering Heights.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.
Oliver Tate is extremely articulate but hopelessly awkward. That's not a recipe for teenage happiness. See them in Submarine.
Just because Dracula wants to suck your blood doesn't mean he's not a gentleman. See them in Dracula.
A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.