Rockstar (or ROCKST) is an energy drink created in 2001 As of 2009 it was one of the leading energy drinks by sales, with 14% of the US market in 2008. Rockstar is based in Las Vegas, and is co-owned by Russell Weiner. In early February fourteen flavors and all sizes of Rockstar Energy Drink (including energy gum and shots) will be available in Australia and the UK. Rockstar Energy Drink is available in fourteen different flavors, and in over twenty countries.