A key issue noted for First appearance of Professor Mazursky. Young All-Stars #12 was published by DC Comics on May 1, 1988, as part of a series that began in 1987. Dann Thomas and Jenette Kahn write, and art comes from Dan Jurgens, Dave Hoover and Dick Giordano. This 36-page issue features Hawkman, Johnny Quick, King Kong, Robert Crane and Libby Lawrence, among 30 characters cataloged on VerseDB.