Showoff was a pop punk band from Chicago, Illinois led by vocalist (and auxiliary guitarist) Chris Envy. The band sold 34,000 albums in its career.
These are photos from concerts where Showoff played, so they may be of other bands that played the concert as well.
Goldfinger / Showoff / Bloodhound Gang / The Hippos Oct 5, 1999 Topeka, Kansas, United States Uploaded by Murphy59