Bam Margera

Professional Skateboarder and Daredevil; Known for "Jackass" and "Viva La Bam"

Marc Coma

Rally Racing Motorcycle Rider; Three-Time Dakar Rally Winner

Torah Bright

Australian Professional Snowboarder and Olympic Gold Medalist

Scotty Lago

American Snowboarder

Carey Hart

Retired Freestyle Motocross Racer; Appeared on A&E's "Inked"

Valentino Rossi

Italian Motorcycle Racer

Bucky Lasek

5x X-Games Gold Medalist

John Hopkins

American Motorcycle Racer

Gretchen Bleiler

Professional Halfpipe Snowboarder

Jose Aldo

UFC Fighter

Ryan Dungey

American Professional Motocross Racer

Pierre-Luc Gagnon

Gagnon began skating in 1988, and entered his first competition in 1992.

Greg Lutzka

Brian Deegan

You hear the unmistakable crack of a dirt bike firing-up off in the distance, followed by a really loud, whining rumble that hurls an intimidating looking figure outfitted in spikes and black clothes rapidly toward you. Be afraid.

Tara Dakides

Tara has crossed the gender barrier that action sports holds, to rise above most men in the realm of freestyle.

Rune Glifberg

On June 3 2006, Rune Glifberg celebrated 20 years of involvement in Danish skateboarding with the Etnies team.

Terje Haakonsen

Terje Hakonsen (born October 11, 1974 in Vinje, Norway) is a Norwegian snowboarder.

T.J. Lavin

American BMX Rider, Professional Musician, and Host of MTV's 'The Challenge'

Jill Kintner

Kintner's first-place finish brought her to a total of 1060 points, which is enough of a gap on the rest of the field to guarantee the title regardless of the outcome of the final race next month in Austria.

Jeremy McGrath

Jeremy McGrath was born on November 19, 1971 in San Francisco, California.