Because you like Billy Costigan in The Departed
A master manipulator, Frank Underwood has a tight grip on Washington DC. Plus who doesn't like having a leader who frequently tosses off Shakespearean asides? See them in House of Cards.
Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.
Kubo is a storyteller at heart who's tapping into his sense of adventure. See them in Kubo and the Two Strings.
In a group of self-serving career climbers, Laurel Castillo is the only one who wants to serve others. See them in How to Get Away with Murder.
Jean-Baptiste Grenouille may have a phenomenal sense of smell, but he has a weak sense of morality. See them in Perfume: The Story of a Murderer.
Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.
Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.
First Lady Melody Grant is conspiring to stay in the White House, but she stays a few steps behind her husband because that’s where she "belongs." See them in Scandal.
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.
A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Poussey Washington is a former army brat who loves to read and loves her friends. See them in Orange Is The New Black.