There are multiple bands who have used the name Gruesome, including:
These are photos from concerts where Gruesome played, so they may be of other bands that played the concert as well.
Wacken Open Air Aug 2 - 4, 2018 Wacken, Schleswig-Holstein, Germany Uploaded by Denzho
Corona Hell & Heaven 2018 May 4 - 5, 2018 Mexico City, Mexico City, Mexico Uploaded by Denzho
Corona Hell & Heaven (Day 1 of 2) May 4, 2018 Mexico City, Mexico City, Mexico Uploaded by Andrey