Guy Mariano (born 1977) is a professional skateboarder who gained widespread recognition at the age of 14 for his part in Blind Skateboards' Video Days (1991). Before Blind, Mariano was sponsored by Powell Peralta, and appeared in their video Ban This. In his later years, Guy rode for Girl Skateboards and had a seminal part in their second video Mouse (1996). After Guy retired from professional skateboarding due to injuries and other causes, he co-founded the Royal skateboard truck company with Rudy Johnson in 1997. He came out of retirement in 2005. Thrasher Magazine featured a 14 page article with Guy Mariano in its November 2005 issue. His first telephone interview was featured in the February 2007 issue of Transworld SKATEboarding. Mariano also appeared in the Lakai video "Fully Flared" in 2007, which features two Band of Horses songs, "The Funeral" and "Is there a Ghost" in respective order, winning 3 Transworld Skateboarding Awards including Best Video Part, Best Street Skater, and Readers Choice.

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• Girl Skateboards
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• Fourstar Clothing
• Lakai Footwear
• Spitfire Wheels
• Bones bearings
• Neff Headwear
• Val Surf