There is more than one artist called Mastiff. 1. Mastiff was formed in 2010 and their Myspace biography states "Formed from the remains of a string of successful local bands, who finally had enough of the over saturated scene full of posers trying to claim the throne. Hardcore is our life and we live it. What we play is true balls out hard, fast aggressive beat down hardcore that you can bounce to and two step Until you drop. We have come to rip the scene a fresh new arsehole and inject some life into a dying and decaying sound.