Because you like Bill Haverchuck in Freaks and Geeks
If you hang out with Bender in cool dive bars in 31st century New York, make sure you're on his "Do Not Kill" list. See them in Futurama.
Neurotic, motherly, and oh-so organized, Monica Geller is everyone’s favorite hostess, keen on settling down and starting a family - perhaps too much so. See them in Friends.
With the loyalty and pluckiness of a puppy, Nana Komatsu is a hopeless romantic. See them in Nana.
Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.
Charming and confident, Gus Waters is determined to leave a lasting mark on the world. See them in The Fault in Our Stars.
Socialite-turned-runaway-turned-waitress, Rachel Green is the legendary story of riches to rags, trying to work her way up again with the help of her friends. See them in Friends.
Shrek is a nasty-on-the-surface ogre with a heart of gold and an earful of wax. See them in Shrek.
Ron Burgundy is a news anchor who signs off with "Stay classy, San Diego" or whatever his teleprompter says. Bonus: he plays the jazz flute. See them in Anchorman: The Legend of Ron Burgundy.
A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.
Extremely violent and loyal, Sandor Clegane is called the Hound for a reason. See them in Game of Thrones.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.