Searxng/M. Shawn Crahan Music Slipknot's Clown reveals he needs heart surgery after post-tour health scare; details skipped beats and electrical heart issues in new podcast. May 11, 2026 AceShowbiz - M. Shawn Crahan, widely known as Clown from the metal band Slipknot, recently revealed that he will require heart surgery due to a diagnosed cardiac condition following the band's latest tour. The 56-year-old percussionist shared this personal health update during an extensive conversation on Rick Rubin's Tetragrammaton podcast, which was made available on YouTube on May 7.