Because you like Will Riker in Star Trek: The Next Generation

Peppy and optimistic, Joy is totally lost when it comes to dealing with Sadness. See them in Inside Out.

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.

Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.

An All-American football player, a ping pong star, and a freakishly determined runner, Forrest Gump has a ton of stories to tell. See them in Forrest Gump.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.

Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.

Jim Halpert is a master at the art of making it through the work day, including participating in an office Olympics. See them in The Office.

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

Intelligent and compassionate, Hazel Lancaster would rather face things, even bad things, than sugarcoat the truth. See them in The Fault in Our Stars.

Korra is stubborn, outgoing, and faced with huge responsibilities she might not be ready for. See them in The Legend of Korra.

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.