There is more than one artsit with this name:
V8 is, was and will be the most important heavy metal band in argentina, followed by Hermetica of course, another great band. V8 is the most influential band for many artists (V8 contribute a lot to Argentina's metal, and its artists)
Iorio with Ricardo "Chofa" Moreno were the former members; then Iorio will be the band leader. He started with V8 when he was 16 or 17 years old, specially influenced by Black Sabbath, his favourite band.