Tenacious D is the American comedy rock duo formed by actors and musicians Jack Black and Kyle Gass, known for mixing heavy rock performance with deliberate overacting. The duo moved from a late 1990s television series to albums and the 2006 film Tenacious D in The Pick of Destiny, building a cult following. Short audio clips from their performances circulate widely on soundboards and in meme edits because a single line or musical sting can signal mock heroism instantly, keeping the reference recognisable even years after release for new audiences online today.