Andrew Fetterly Wilkes-Krier (born May 9, 1979 in Stanford, California), better known by his stagename Andrew W.K., is an American singer-songwriter, multi-instrumentalist, entertainer, motivational speaker, and music producer. He was the host of the television series Destroy Build Destroy.
As a musician, he is known for the 2001 hit single "Party Hard", from the album I Get Wet.