A key issue noted for First appearance of Jenny Quantum. The Authority #12 was published by DC Comics on April 1, 2000, as part of a series that began in 1999. Warren Ellis writes, and art comes from Bryan Hitch, Laura Martin and Paul Neary. This 36-page issue features Midnighter, Apollo, Engineer, Jack Hawksmoor and Swift, among 10 characters cataloged on VerseDB.