Because you like Leonard Hofstadter in The Big Bang Theory

Randy Marsh is a geologist and Nobel Prize winner who is into binge drinking, starting riots, the Food Network, and P.F. Changs. See them in South Park.

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

There can be no doubt that Ben Linus is a huge liar. But one man's lies are another man's necessary steps to protect his people. See them in Lost.

Bree Van De Kamp likes her whiskey's neat, her napkins pressed, and her guns loaded. See them in Desperate Housewives.

A debonair spy, Harry Hart is the epitome of a gentleman, even when he calmly takes down multiple men with a militarized umbrella. See them in Kingsman: The Secret Service.

Dean Forester is just your friendly, neighborhood grocery bag boy. See them in Gilmore Girls.

Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.

A Berlin-based locksmith by day, Wolfgang Bogdanow is a world-class thief by night. He can also see out of other people's eyes, but that's a different issue. See them in Sense8.

Donkey Kong is a strong, banana-loving, and caring uncle to Diddy Kong. See them in Donkey Kong.

Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.

A talented OBGYN, Addison Montgomery is trying to figure out the whole love and marriage thing. See them in Grey's Anatomy.