Because you like Nick Miller in New Girl
Titus Andromedon will show you the ropes, help you with your problems, and sing at you constantly, whether you like it or not. See them in Unbreakable Kimmy Schmidt.
A 100-plus-year-old who looks like a dreamy teenager, Edward Cullen warns girls to avoid him, which makes them want him even more. See them in Twilight.
How is angel Aziraphale supposed to stop the apocalypse when Hell's forces misplaced the Antichrist somewhere? See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.
Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.
The Little Prince is a childlike wonder personified in a tiny package. See them in The Little Prince.
This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.
Though seemingly caring and calm, this motel owner has a mysterious streak of intensity. See them in Psycho.
Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.
Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .
Extremely violent and loyal, Sandor Clegane is called the Hound for a reason. See them in Game of Thrones.