Kyle Gass is an American musician, actor, and comedian best known as one-half of the comedy rock duo Tenacious D, alongside Jack Black. Born on July 14, 1960, in Castro Valley, California, Gass has been a pivotal figure in blending humor with rock music, playing guitar and contributing vocals. Beyond his work with Tenacious D, Gass has appeared in various films and television shows, showcasing his comedic talent and musical skills. He also leads the Kyle Gass Band, further establishing his presence in the rock and comedy spheres.