There are at least four artists called Havok: (1) an American thrash metal band ; (2) a German death metal band; (3) a Swedish extreme metal band; and (4) an underground rapper.
These are photos from concerts where Havok played, so they may be of other bands that played the concert as well.
Download Festival 2016 Jun 10 - 12, 2016 Castle Donington, England, United Kingdom Uploaded by Nova Gullen
Megadeth / Suicidal Tendencies / Children of Bodom / Havok Mar 23, 2016 Bangor, Maine, United States Uploaded by Carianneb
Megadeth / Children of Bodom / Suicidal Tendencies / Havok Mar 21, 2016 Boston, Massachusetts, United States Uploaded by Dave Ferraro
Havok / Graveshadow / Children of Bodom Mar 1, 2016 Sacramento, California, United States Uploaded by Andysoto23
Megadeth / Suicidal Tendencies / Children of Bodom / Havok Feb 29, 2016 San Francisco, California, United States Uploaded by Rattlehead13
Children of Bodom / Megadeth / Suicidal Tendencies / Havok Feb 28, 2016 Los Angeles, California, United States Uploaded by Revanant007
Venom / Obituary / Terrorizer / Rob Zombie / Overkill / Havok Oct 25, 2014 Mexico City, Mexico City, Mexico Uploaded by Jcharlesblack2