There are at least four bands with the name Gruel:
These are photos from concerts where Gruel played, so they may be of other bands that played the concert as well.
Fugitive / Diztort / Doomsday / Gruel Feb 17, 2024 Santa Ana, California, United States Uploaded by Mjhudson81
Gruel / Insect Fear / Mutley Chix Mar 24, 1988 Gainesville, Florida, United States Uploaded by Kennelco
