There at least six artists which use this name.
These are photos from concerts where Caveman played, so they may be of other bands that played the concert as well.
Iceland Airwaves 2013 Oct 30 - Nov 3, 2013 Reykjavik, Capital Region, Iceland Uploaded by Richard Cawker
Midpoint Music Festival 2013 Sep 26 - 28, 2013 Cincinnati, Ohio, United States Uploaded by Derek Jung
Hype Hotel (SXSW 2013) Mar 11 - 16, 2013 Austin, Texas, United States Uploaded by Shiruken
