HELLYEAH (formed in 2006 in Dallas, TX) is the Metal suprgroup featuring Mudvayne frontman Chad Gray, guitarist Greg Tribett also from Mudvayne, guitarist Tom Maxwell of Nothingface, bassist Jerry Montano another from Nothingface and drummer Roy Mayorga from Stone Sour.

Line up changes:
After group bass guitarist Jerry Montano was dismissed for violent behaviour, Bob Zilla was brought in to play bass guitar on tour for all of 2007. Roy Mayorga joined as the band's drummer following Vinnie Paul's death in 2018.