Motorhead frontman Lemmy Kilmister defeated Anthrax's Scott Ian in the first round, and took out Metallica's James Hetfield in the quarterfinals of the President of Heavy Metal election. Fans of Lemmy have been coming out in droves to support their gravel-voiced hero, but in this next round, Lemmy has yet another maniacal fan base to defeat.

Rob Zombie has pulled off two enormous wins so far in the President of Heavy Metal election, knocking off both Iron Maiden singer Bruce Dickinson and Megadeth frontman Dave Mustaine. This begs the question: "Is there anyone who Rob Zombie can't beat?" That question will be answered in this semifinal round, where he faces yet another iconic musician in Lemmy Kilmister.

Lemmy Kilmister or Rob Zombie? Cast your vote in the poll below! Voting for this round ends on Friday, Nov. 2 at 10am ET. Fans can vote once per hour, so keep coming back to make sure that your favorite metal musician wins!