Gregory John Puciato is an American musician best known as the former lead vocalist and lyricist of the metalcore band the Dillinger Escape Plan. In addition to being a solo artist, he fronts the band the Black Queen, and is a member of Killer Be Killed, in which he also plays guitar. He also performs alongside Jerry Cantrell providing backup vocals and lead vocals on Layne Staley-sung songs for Cantrell's solo tours. In 2018, Puciato and visual artist Jesse Draxler co-founded the art collective and record label Federal Prisoner.