Because you like Joan Watson in Elementary

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

Despite the undeniably awful turn her life has taken, Rachel handles herself with remarkable grace. See them in Me and Earl and the Dying Girl .

Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.

Billionaire playboy by day and vigilante archer by night, Oliver Queen aims to rid Starling City of crime and atone for his past mistakes. See them in DC Extended Universe.

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

Motivated by a strong sense of curiosity, fleet-footed Lina Mayfleet is happiest when she's on the move. See them in The City of Ember.

Driven, resentful, and ruthless, Mello is an emotional powder keg. It's only a matter of time before he explodes. See them in Death Note.

The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.

An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.