Grimmette made his Olympic debut in 1994. He and Brian Martin have two Olympic medals, six world championships and three overall World Cup titles.

California-born Brian Martin is a two-time Olympic medalist. He and Mark Grimmette have also won six world championship medals and three overall World Cup titles.

Christian Niccum finished 23rd in his Olympic debut in Torino. He enjoys extreme sports, but luge is his favorite because it is, as he says, "wet-your-pants fast."

At 5-foot-7 and 155 lbs, Venezuelan-born Dan Joye is one of the smallest sliders on the international circuit. Joye and partner Christian Niccum finished sixth at Worlds in 2009.

In Torino, Tony Benshoof was .153 seconds from a bronze medal. But during his third Olympic Games in Vancouver in 2010, the Minnesota native finished a frustrating eighth place.

Bengt Walden finished 23rd in 2002, then representing his native Sweden. He will make his Olympic debut as an American citizen in Vancouver.

2007 National Champion and 2008 Junior World Championship silver medalist Chris Mazdzer finished 13th in his Olympic debut in the 2010 Vancouver Games.

The New York native disrupted Germany's domination of women's luge by winning gold at the 2009 World Championships. She'll make her second Olympic appearance in 2010.

Hailing from Augusta, Maine, Clukey got her luge start at age 12. As stated on her personal site, she was attracted to the "speed, adrenaline, and challenge" the sport provided.

Megan Sweeney won gold and silver in karate during the 1998 Junior Olympics, but she will make her Winter Games debut in Vancouver.