Because you like Robert Chase in House M.D.

The Hastings family is old and powerful, and Spencer will do anything to continue excelling. See them in Pretty Little Liars.

Chewbacca is a loyal co-pilot who won't hesitate to rip your arm off. See them in Star Wars Series.

From arguing for democracy in the Galactic Senate to pursuing a forbidden romance, Padme Amidala handles danger gracefully. See them in Star Wars Series.

James T. Kirk is more than ready to face the final frontier. See them in Star Trek.

Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.

Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

Most of the world has been wiped out from The Beast. And when The Beast comes, Cole MacGrath will be ready. See them in inFAMOUS.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.

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

Anakin Skywalker is said to be the chosen one, who will destroy the evil Sith. But he struggles with Jedi ideals as he grows in power. See them in Star Wars Series.