Grimjack #31 was published by First on February 1, 1987, as part of a series that began in 1984. John Ostrander and Peter B. Gillis write, and art comes from Linda Lessmann, Sam Grainger and Tom Artis. This 36-page issue features Grimjack, Chris Heyman, Blackjac Mac, Jericho Noleski and Phaeton, among 6 characters cataloged on VerseDB.