William 'Billy' Sheehan (born on March 19, 1953 in Buffalo, New York) is an American bassist known for his work with bands like Mr. Big, Niacin and Talas, Billy Sheehan is often referred to as the "Eddie Van Halen of the Bass". He played in Steve Vai's band for a few years and currently has a project called Devil's Slingshot with guitar virtuoso Tony MacAlpine and drum virtuoso Virgil Donati. They released an album in October 2007 called Clinophobia.