PKS was a industrial/metal band based out of Ohio. Their earlier works used the artist name PlanetKillSwitch before changing to just use the initials “PKS”. They are known to have 3 releases. A demo called “Scum of the Planet” in 2001 using the name Killswitch, an album called “You Don’t Matter” in 2003 using the name Planet Kill Switch, and a final album “The Darkening Season” using the name PKS in 2007.