Watch 82-Year-Old ‘Metal Grandpa’ Perform Rob Zombie’s “Dragula” On ‘America’s Got Talent’

John Hetlinger, the 82-year-old man affectionately known as ‘Metal Grandpa’, once again appeared on ‘America’s Got Talent‘ today, July 20th. This time around he chose to perform Rob Zombie‘s “Dragula“, with some highlights posted below. Hetlinger first rose to viral fame covering Drowning Pool‘s “Bodies” on the show—an appearance that led to him recently joining the band onstage.