Rockstar is an energy drink created by Russell Weiner. It is sold in the U.S. and Canada and currently comes in six varieties: Rockstar Energy Drink (black can), SugarFree Rockstar Energy Drink (white can), Rockstar Energy Cola (red can), Rockstar Juiced (orange can), Rockstar Zero Carb (blue can) and Rockstar Juiced Guava (purple can). Rockstar is available in 8.4 fl. oz. (250 ml), 16 fl. oz. (473 ml), and 24 fl. oz. (710 ml) sized cans, depending on the flavor (see below).