Tenacious D is an American rock band formed in 1994 by actors and musicians Jack Black and Kyle Gass. Known for their comedic style, the duo combines rock music with humor, often parodying the genre while showcasing their musical talent. Their self-titled debut album was released in 2001, featuring songs that blend storytelling with catchy melodies. The band gained popularity through their television series on HBO, which aired in 1999. They have since released several albums, including The Pick of Destiny, which also served as a film. Tenacious D continues to perform and create music, maintaining a dedicated fan base.