Steve Grimmett is a heavy metal vocalist who began his career in the era of NWOBHM. His original band was the short-lived Medusa , before he became known as the lead vocalist for Grim Reaper . Grimmett later featured in Onslaught for a brief period, before forming Lionsheart and in more recent times The Steve Grimmett Band . Grim Reaper achieved major success worldwide with three highly acclaimed studio albums along with single releases and MTV airplay.