Because you like Jules Winnfield in Pulp Fiction
Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.
With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.
Foggy Nelson is a principled small-time lawyer fighting for fellow little guys. See them in Marvel Cinematic Universe.
Regina Mills is a cold evil queen turned chilly town mayor. See them in Once Upon a Time.
The biggest nerd in high school, Bill Haverchuck is the biggest target for bullies. See them in Freaks and Geeks.
Underneath his preening narcissist exterior, Schmidt is, well, still kind of a preening narcissist. But he has a good heart too. See them in New Girl.
Everyone is just a chess piece, and Izaya Orihara is a master player. See them in Durarara!!.
Fiery, intelligent, and opinionated, Jo March rebels against the restrictions of her era. See them in Little Women.
Lorelai Gilmore loves coffee, talking fast, flirting, movie marathons, and her daughter. See them in Gilmore Girls.
Bobby Singer is a redneck ghost hunter, but all he wants to do is retire to the junk yards of South Dakota. See them in Supernatural.