Kyle Gass

Kyle Richard Gass , also known as KG or Rage Kage, is an American rock musician, singersongwriter and actor. He is a member of the comedy rock band Tenacious D, winner of a Grammy Award for Best Metal Performance, alongside longtime friend Jack Black. He also has his own supergroup called The Kyle Gass Band which he formed after the breakup of his other sideproject, Trainwreck in 2011. In Tenacious D, Gass plays lead guitar and sings backup vocals, and also plays the role of Blacks comic foil in most of their comedy routines. He is the godfather of Blacks son.

Kyle Gass was born in Castro Valley, California. Much like his musical career, Gass acting career also started at a young age. His first gig was for a 7Up advertisement. Gass graduated from UCLA. Later in his career he met actor Tim Robbins, who recruited him into the Actors Gang. In 1986, a 16yearold Jack Black was one of the new recruits in the Actors Gang, and the two were introduced. According to Gass, he actually did not like Black at first, but the duo eventually settled their differences and soon became best friends. Gass taught Black how to play guitar, and the two soon formed the band Tenacious D.

Source: Wikipedia