Andrew Fetterly Wilkes Krier (born May 9, 1979 in Stanford, California) is an American rock singer-songwriter, multi-instrumentalist, entertainer, and motivational speaker better known by his stage name, Andrew W.K.. He married his ex-wife, Cherie Pourtabib (who is also known as Cherie Lily). His song "Party Hard" is one of his most famous songs and it also became an internet meme on 4chan where it is considered one of their anthems.