Because you like Ryan Stone in Gravity

He's an everyday earthworm turned intergalactic hero. See them in Earthworm Jim.

John Bender's interests include marijuana, fighting, and breaking the rules. See them in The Breakfast Club.

Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.

Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.

Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.

Sandy Olsen is out of her head, hopelessly devoted to Danny. See them in Grease.

After being resurrected and discovering his new morphing abilities, Alex Mercer uses them to combat the virus now ravaging New York. See them in Prototype Series.

Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.

When it comes to dancing and life, nobody puts Frances Houseman in the corner. See them in Dirty Dancing.

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

Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.