Because you like Kagami Hiiragi in Lucky Star
Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.
Ted Mosby is a hopelessly romantic architect in search of someone to be the mother of his children. See them in How I Met Your Mother.
Gruff and efficient, Sam Fisher protects a nation that can never admit he exists. See them in Tom Clancy's Splinter Cell.
Gruff and sarcastic, Detective Harry Dresden use unconventional ways to track down perps, including using magic and the supernatural. See them in The Dresden Files.
Nicholas Angel is super-dedicated to his job as a police officer. Maybe a little too dedicated. See them in Hot Fuzz.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
Violet Harmon takes teen angst to a paranormal level. See them in American Horror Story.
Number Five is a 58-year-old man trapped in his 13-year-old body. See them in The Umbrella Academy.
Angel is fighting as best as he can, but the disease might be too powerful for even his strong, positive energy. See them in Rent.
It's time somebody has to take over. It might as well be Fish Mooney. See them in Gotham.