Every nut who kills people has a Bible lying around. If you're looking for violent rape imagery, the Bible's right there in your hotel room. If you just want to look up ways to screw people up, there it is, and you're justified because God told you to.

It has been featured in dozens of television shows and articles and was designed by his friend Colin Summers. From a FAQ from Penn & Teller's official website there are three common answers:
It means he once shot a man for asking personal questions. Drell

Babylon 5
"Day of the Dead" (1998) TV episode.

Penn Fraser Jillette (born March 5 1955) is an American illusionist comedian musician and best-selling author known for his work with fellow magician Teller in the team Penn & Teller.