William Pierce Butler (born October 6, 1982) is an American multi-instrumentalist and composer who is best known as a co...

William Pierce Butler (born October 6, 1982) is an American multi-instrumentalist and composer who is best known as a core member of the indie rock band Arcade Fire. Will plays synthesizer, bass, guitar and percussion. He is known for his spontaneity and antics during performances. He is the brother of Arcade Fire fron...