Because you like Leonard Hofstadter in The Big Bang Theory

Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.

Although she's only six, Hushpuppy is a tough girl ready to stand up to terrifying, pre-historic beasts after the storm. See them in Beasts of the Southern Wild.

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

Gregor Samsa is an ordinary man in an abnormal predicament. See them in The Metamorphosis.

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

Haley Dunphy's interests include shopping, dating, and avoiding homework at all costs. See them in Modern Family.

Given his ability to wrench street signs from the ground, Shizuo Heiwajima is a useful one to have in dangerous Ikekuburo. See them in Durarara!!.

Chris Chambers is from a family of social outcasts and criminals, and he wants more than anything to avoid ending up like them. See them in Stand By Me.

Level-headed Ian Gallagher may be focused on his goals, but he's got a mischievous side too. See them in Shameless.

Gene Belcher dreams of a future in the limelight, and he doesn't let his lack of talent hold him back. See them in Bob's Burgers.

Quinn Fabray can become a monster when there is something she wants. See them in Glee.

Kagami Hiiragi keeps her grades up, helps at Takanomiya Shrine, serves as class president, and hangs out with her friends. See them in Lucky Star.