- Algol (NOR) (Black Death-Norway) - Other name : ex-Seance, ex-Buttocks
- Algol (RUS) (Dark Ambient-Russia)
- Algol (ITA) (Melodic Death-Italy)
- Algol (USA-1) (Melodic Death Black-USA)
- Algol (USA-2) (Black Metal-USA)
- Algol3 (Progressive Metal-Italy)