Fenriz played bass for Dodheimsgard, drums for Storm, drums for Isengard and keyboards for Neptune Towers. And, I heard, that Fenriz played some drum - parts on the last Satirycon album.
Fenriz (Storm) öfjkpnäüFenriz (Dodheimsgard)
Nocturno Culto (as Kvedulv) played guitars for Satyricon.
Kvedulv