John Michael Regan (October 28, 1951 – April 7, 2023)[1] was an American musician, songwriter, producer, and bassist. He is notable for having been a member of ex-Kiss guitarist Ace Frehley's band Frehley's Comet from 1984 to 1990 and recorded and performed with Peter Frampton from 1979 to 2011. He also recorded with John Waite, The Rolling Stones, Stephen Stills, Dave Edmunds, Robin Trower, Scandal, Billy Idol, David Bowie, and David Lee Roth.[2] He lived in Wappingers Falls, New York.