Kyle Thomas Busch aka:"Rowdy" or "Shrub" (born May 2, 1985) is an American NASCAR driver and team owner. He currently drives the No. 18 Mars/Interstate Batteries Toyota Camry for Joe Gibbs Racing in the Sprint Cup Series, the No. 18 Z-Line Designs/NOS Energy Drink Toyota Camry for Joe Gibbs in the Nationwide Series, and the No. 18 Dollar General Toyota Tundra for his own team, Kyle Busch Motorsports, in the NASCAR Camping World Truck Series.
He currently holds the modern-era record for most race wins in a season across the top three NASCAR series with twenty-four wins, which he accomplished in 2010. On August 21, 2010, Busch became the first driver to win in all three of NASCAR's top three touring series in the same weekend (Bristol). Busch became the first driver in Nationwide series history to lead more than 10,000 laps. Busch also holds the record for the most NASCAR Nationwide Series wins with 50, surpassing Mark Martin's 49.
Busch is also only the second driver to ever win on his birthday, winning the 2009 Crown Royal Presents the Russell Friedman 400 at Richmond International Raceway, which was run on his 24th birthday. Cale Yarborough was the first.