Because you like Egon Spengler in Ghostbusters

A resourceful ship systems engineer, Isaac Clarke does his best to batttle the infection spreading across space. See them in Dead Space.

Rayman is a fearless hero who flies into action with a propeller on his head and a smile on his face. See them in Rayman.

Lane Kim is the drummer for Hep Alien, but don't let her mom know. See them in Gilmore Girls.

Hiro is a free-spirit and remarkable genius who loves bot fighting and problem-solving. See them in Big Hero 6.

Don't mess with Mickey Milkovich unless you want to see the wrong side of one of his many guns. See them in Shameless.

Romantic, tortured, and at times cruel, Heathcliff is an intense man. See them in Wuthering Heights.

Jo Wilson is an accomplished doctor who's getting over her past. See them in Grey's Anatomy.

Stuck on a lifeboat with zoo animals without food and fresh water, Pi Patel uses his intelligence to face the greatest test of all: survival. See them in Life of Pi.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

A former high school outcast, Rebecca Doppelmeyer is tentatively shaking off her misanthropic personality. See them in Ghost World.

The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.

Born into luxury, Sybil Crawley wants to find real purpose and meaning in her privileged life. See them in Downton Abbey.