Demon! #1 was published by Portman Distribution on October 1, 1978, as part of a series that began in 1978. Chris Claremont and Doug Moench write, and art comes from Andrés Balcells Velayos, Billy Graham and Earl Norem. It features Satana, Gabriel Rosetti, Desadia, Harry Gotham and Catherine, among 7 characters cataloged on VerseDB.