Sigma
Coder, Texter
- Known as active in 1990
- Country: United Kingdom
- Known as member of Fusion (old) in 1990
- Also with this name: Sigma (Acid, Setrox, Supplex, Axenon, Velcro Fly, The Castaways) (CH), Sigma (Scoopex, Alcatraz, Analog) (DE), Sigma (Nemesis (old)/Nemesis 2001) (DK)