There are two bands called Hammer Of The Gods
1) This supergroup formed by Mike Portnoy is a cover band tribute to Led Zeppelin.
Members:
Mike Portnoy - drums (Dream Theater)
Paul Gilbert - guitar (Mr. Big)
Dave LaRue - bass (Dixie Dregs)
Daniel Gildenlow - vocals (Pain of Salvation, ex-The Flower Kings)
2) A metal band from the UK, the band gained reputation after playing live shows in 2011 supporting Crowbar.