Because you like Alucard in Hellsing
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
Lloyd Dobler is a kickboxer wearing his heart on his sleeve who would do anything for the woman he loves. See them in Say Anything.
Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.
A brave "Young Wolf," Robb Stark has never lost a battle. See them in Game of Thrones.
Christine Daae has been secretely taking lessons from a phantom musician. It sounded less creepy in her head. See them in The Phantom of the Opera.
What Troy Barnes lacks in common sense, he makes up for with heart. See them in Community.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.
A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.
Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.
Marinette Dupain-Cheng is a shy teenage girl, fashion designer, and superhero. See them in Miraculous: Tales of Ladybug & Cat Noir.
Liesel Meminger is trying to ease the suffering of those around her, German and Jew alike. See them in The Book Thief.