Roots of Zacky Vengeance

Poison is an American rock band formed in Mechanicsburg, Pennsylvania in 1983. The most successful incarnation of the band consists of lead singer and rhythm guitarist Bret Michaels, drummer Rikki Rockett, bassist Bobby Dall and lead guitarist C.C. DeVille. The band achieved huge commercial success in the mid-1980s through the mid-1990s and sold over 65 million records and DVDs worldwide. In 2012, VH1 ranked them at No. 1 on their list of the "Top 5 Hair Bands of the '80s".

Saul Hudson, known professionally as Slash, is a British and American musician, best known as the lead guitarist of the hard rock band Guns N' Roses, with whom he achieved worldwide success beginning in the late 1980s. He has received critical acclaim and is considered one of the greatest guitarists in history.

Slayer is an American thrash metal band from Huntington Park, California, formed in 1981 by guitarists Kerry King and Jeff Hanneman, drummer Dave Lombardo and vocalist/bassist Tom Araya. Slayer's fast and aggressive musical style made them one of the "big four" bands of thrash metal, alongside Metallica, Megadeth, and Anthrax. Slayer's current lineup comprises King, Araya, drummer Paul Bostaph, and guitarist Gary Holt, who initially joined as a touring musician in 2011 before joining the band permanently after Hanneman's death in 2013; the drummer Jon Dette is a former member of the band.