Gjöll are two individuals, jóhann eiríksson (member of the musical projects reptilicus and product 8) and writer/vocalist sigurđur harđarson (member of the grindcore band forgarđur helvitis). 'way through zero' (icelandic: 'leiđin gegnum núllpunkt') is their initial release.there is more than one meaning for 'gjöll' - one of these meanings can be directly translated: noisy, clamant, thunderous and raging. gjöll is the 'river styx' of norse mythology - the river located at the underworld's edge.