There are at least 3 artists with this name on Last.fm:
These are photos from concerts where MonstrO played, so they may be of other bands that played the concert as well.
MonstrO / Alice In Chains Apr 30, 2013 Birmingham, Alabama, United States Uploaded by Psychojenn
Clutch / Hellyeah / Kyng / MonstrO Apr 25, 2012 West Des Moines, Iowa, United States Uploaded by Chris Kimpson
Kyuss Lives! / The Sword / MonstrO Sep 23, 2011 New York, New York, United States Uploaded by Primus913
