There are 2 bands under this name. A Swiss grindcore / noisecore band and an American thrash metal band. 1) Fear of God, (often abbreviated to F.O.G.), was a Swiss grindcore band, active in the mid-late 1980s. Originally formed in 1987 and broke-up in 1988, but later reformed in 2002. Fear of God was largely considered the innovators of the noisecore / noisegrind genre(s), primarily evident on the acclaimed Fear of God and Pneumatic Slaughter EPs