homas Jacob "Jack" Black (born August 28, 1969) is an American actor, producer, comedian, and singer. His acting career has been extensive, starring primarily in comedy films. He is best known for his roles in High Fidelity, Shallow Hal, School of Rock, King Kong, Nacho Libre, Tropic Thunder, The Holiday, Bernie and the Kung Fu Panda films. Black is considered a member of the so-called Frat Pack, a loose grouping of comic actors who have appeared together from an early age in various Hollywood films. He has been nominated for two Golden Globe Awards. He is the lead vocalist of the comedic rock group Tenacious D, which he formed in 1994 with friend Kyle Gass.