After a few dormant years Fantômas, the supergroup made up of Faith No More frontman Mike Patton, Melvins guitarist Buzz Osborne, Mr. Bungle bassist Trevor Dunn and Philm drummer Dave Lombardo, have signed up to perform at Rockout Fest. The fest will be held in Santiago, Chile at the Espacio Broadway on December 6th. The other bands scheduled to perform at the festival include Devo, Primus, Thurston Moore Band, Machuca, Hielo Negro, Los Peores De Chile, Rama, and Como Asesinar A Felipes.