Leon (Czeslaw Mnich)
Coder, Music Artist, Graphics Artist

• Known as active since 1994
• Country: Poland
• Known as: Czeslaw Mnich (realname), Leon (in 1994)
• Also with this name: Leon (Zenith) (DE), Leon (Cyanide), Leon (Red Sector Inc., Darkness, Syndrome, Silicon, New Generation Crew) (FR), Leon (Barsk) (SE), Leon (Triplex), Leon (Sardonyx, Excess) (SE), Leon (Exort) (DE), Leon (Overkill), Leon (DE), Leon (HU)