There are plenty bands with this name.
These are photos from concerts where Howl played, so they may be of other bands that played the concert as well.
Kaiser Chiefs / Spring King / Howl Mar 4, 2017 Leeds, England, United Kingdom Uploaded by Toms Things
Kaiser Chiefs / Spring King / Howl Mar 4, 2017 Leeds, England, United Kingdom Uploaded by Doll Wendy Stocking
Kaiser Chiefs / Spring King / Howl Feb 27, 2017 Plymouth, England, United Kingdom Uploaded by Dalekbread
Delaware Deathfest 2013 Oct 4, 2013 Wilmington, Delaware, United States Uploaded by Clay
Metal Alliance Tour Apr 4, 2011 San Diego, California, United States Uploaded by Fantomos
Saint Vitus
Red Fang
Helmet
Kylesa
Crowbar