Because you like Percival Graves in Fantastic Beasts and Where To Find Them
Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.
A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.
Billy Batson is a troublemaking teen grappling with a pretty weird superhero identity crisis See them in DC Extended Universe.
Although life in a post-apocalyptic world is far from easy, Julie Grigio maintains her sense of humor. See them in Warm Bodies.
Jesse Aarons' frustration can only find outlet in another world. See them in Bridge to Terabithia.
Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
Holland March is known to wake up hungover in full bathtubs. See them in The Nice Guys.