2000 AD #423 was published by Rebellion and IPC Magazines Ltd. on June 1, 1985, as part of a series that began in 1977. Alan Grant and Gerry Finley-Day write, and art comes from Carlos Ezquerra, Cliff Robinson and David Pugh. It features Judge Dredd, Judge Anderson, Merlin, Johnny Alpha and Rogue Trooper, among 20 characters cataloged on VerseDB.