Proton
Swapper
- Country: Poland
- Known as member of Sadist in 1995-1996
- Also with this name: Proton (Equinox, Byterapers/Byterapers Inc., Securitate) (FI), Proton (Complex, Bloodsuckers, Quirk) (FI), Proton (Direct, Bounty) (DK), Proton (Maffia, Phoenix (Scandinavia)) (SE), Proton (Damian, Mexx), Proton (Principes), Proton (Contrast), Proton (Reform) (SK)