Michael David Watt is an American bassist, vocalist and songwriter. He co-founded and played bass guitar for the rock bands Minutemen (1980–1985), Dos (1985–present), and Firehose (1986–1994). He began a solo career with the 1995 album Ball-Hog or Tugboat? and has since released three additional solo albums, most recently in 2010 with Hyphenated-man. He is also the frontman for the supergroup Big Walnuts Yonder (2008–present), a member of the art rock group Banyan (1997–present) and is involved with several other musical projects. From 2003 until 2013, he was the bass guitarist for The Stooges.