Anthrax are an American, New York City-based thrash metal band, who released their first full-length album in 1984. Anthrax was one of the most popular bands of the 1980s thrash metal scene and are notable for combining metal with rap and hardcore music early on. They have sold over 10 million albums worldwide.
They are generally classified as one of the "big four" of thrash metal alongside Metallica, Megadeth, and Slayer.
This introduction is taken from Scorpion’s entry on Wikipedia where detailed information about the band members, and their history can be found.