The same as any other invention, someone thought it up.
The Guns was created in 2005.
With The Guns was created on 2009-07-17.
Guns - EP - was created in 1991.
Smilin' Guns was created in 1929.
Guns - magazine - was created in 1955.
The Guns of Loos was created in 1928.
Havana Guns was created in 2004.
Action Guns was created in 1979.
Miami Guns was created in 2000.
L.A. Guns was created in 1985.
Guns on the Roof was created in 1978.
Guns of Icarus was created in 2010.