Because you like Amy Pond in Doctor Who
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.
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
China has five thousand years of history, and he's optimistic he'll win over the Allied Powers to the wisdom of his ways. See them in Axis Powers Hetalia.
Timid and a bit insecure, Amy Antsler has big dreams of activism and meeting new people. She's learning it's easier said than done. See them in Booksmart.
Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.
An adventurous dreamer, George Bailey always winds up putting other people's dreams first. See them in It's A Wonderful Life.
Kumar Patel is always high, always hungry for sliders. See them in Harold & Kumar Go To White Castle.
Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.
Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.