Because you like Geordi La Forge in Star Trek: The Next Generation

Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.

Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.

Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.

A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.

Luke Skywalker always wanted to leave home, but he didn't expect that it would be as part of a quest to rescue a princess and save the galaxy. See them in Star Wars Series.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

Pure charm, flirty and fashionable, Lando Calrissian will make sure to get the job done when necessary. See them in Star Wars Series.

Jack Bauer is a terrorist fighter who is scared of nothing and no one. The clock is ticking! See them in 24.

His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.

A consummate schemer with a knack for solving mysteries, Shawn Spencer has trouble taking anything seriously. See them in Psych.

Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.

Ciri had a princess upbringing, and some of the facts of common people's lives are a mystery to her. See them in The Witcher.