Greg Graffin

Greg Graffin is an American punk rock musician, college professor, and author. He is most recognized as the lead vocalist of the band Bad Religion.

Erdős 5

Bacon 3

Sabbath 3

Credits

Discovery: Moosh of the QI forums

Improvement: Greg Graffin

Photo: Antje Naumann (Creative Commons)


  1. Anarchy Evolution: Faith, Science, and Bad Religion in a World Without God is a popular book which is part autobiography, part philosophy, and part biology. 
  2. We believe Graffin’s Sabbath number can be reduced to 2, but have not been able to verify a direct collaboration between Brooks Wackerman and Ozzy Osbourne.