Herbie #5 was published by A-Plus on May 1, 1991, as part of a series that began in 1991. Gary Friedrich and Nicola Cuti write, and art comes from Bill DuBay, Howard Bender and John Byrne. This 52-page issue features Herbert Popnecker, Pincus Popnecker, Mrs. Popnecker and Professor Flipdome.