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

Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.

Point the fun-loving Pippin Took towards second breakfast, and he's one happy hobbit. See them in The Lord of the Rings.

As Marlena Rosenbluth is finding out, confidence in the limelight doesn't always translate to power at home. See them in Water for Elephants.

Alex Russo desperately wants to keep her magic – after all, things are so much easier when you can just wave a wand. See them in Wizards of Waverly Place.

Jorah Mormont is loyal to his queen. And he's quite in love with her as well. See them in Game of Thrones.

It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.

Once a loving family man, James Heller is now dark, damaged, and hell-bent on getting revenge. See them in Prototype Series.

Sansa Stark is a fan of all things pretty. Unfortunately, her life is about to get extremely ugly. See them in Game of Thrones.

Obi-Wan Kenobi is a sage Jedi who doesn't need to say much to teach you a galaxy's worth of wisdom. See them in Star Wars Series.