Warheads, also known as Mega Warheads, are a brand of sour candy manufactured by Impact Confections. The candy was invented in Taiwan in 1975 and was first imported to the United States by The Foreign Candy Company in 1993. They are currently distributed in the United States by Impact Confections and in Australia by http://www.funtastic.com.au/confectionary.html Funtastic Limited.