Related Information for Havoc 1) Havoc (USA)Kejuan Muchita (born May 21, 1974 in Queens, New York), better known as Havoc, is an MC, music producer, and one half of the hip-hop duo Mobb Deep. He has produced most of the tracks on every Mobb Deep album, and has produced songs for MCs such as Method Man, Nas, Onyx, The Notorious B.I.G., Jadakiss, The Game, LL Cool J, G-Unit, Lil' Kim, La The Darkman, and Jimmy Mserembo.2) Havoc (Brazil)A Black Metal band from Brazil who released a demo in 2003 and a d.. read more