Tenacious D in The Pick of Destiny is a 2006 American musical fantasy comedy film about comedy rock duo Tenacious D. Written, produced by and starring Tenacious D members Jack Black and Kyle Gass, it is directed and co-written by musician and puppeteer Liam Lynch. Despite being about an actual band, the film is a fictitious story about the band's origins, and their journey to find a magical pick belonging to Satan that allows its users to become rock legends.

Kyle Richard Gass is an American musician, singer and actor, best known for co-founding—and being a member of—Tenacious D, a Grammy-winning comedy band. He is also a member of Trainwreck and the Kyle Gass Band.