Plop! — DC Comics, National Periodical Publications
Issue: #17
Contains: World's Greatest GumshoePrison PlopsIsle of PlopOld Butterfly StoryThe TunnelMonster PlopsHistorical PlopPlop DropThe Ploosh Maker! The hosts visit an amusement park in the middle of the night and ride a roller coaster.
Creators: Dave Manak, Tatjana Wood, Lee Marrs, Paul Levitz, Larry Rippee, Frank Robbins, Basil Wolverton, Sergio Aragonés, Joe Orlando, Steve Skeates
Characters: Abel, Cain, Eve, Gregory, Adolf Hitler