Keep your brain sharp on the regular.

- When Jillette first began performing, his mother told him to get a manicure because people would be looking at his hands. In response to this, he had all of his nails painted red as a joke. The one remaining red fingernail is in honor of his mother.

- Penn Jillete and Paul Provenza co-produced the the documentary film The Aristocrats which traces the life of a dirty joke.

- In 1999 Penn was granted the patent for the Jill-Jet, a hot tub jet angles specially for a woman’s pleasure.