Issue: #20
Last valuation update: 2026-01-06
First appearances: Mumsy-Doo, Yabba-Doo, Spooky-Doo, Dada-Doo
Creators: Ken Feduniewicz, Bill Matheny, Scott Jeralds, Sid Jacobson, Jorge Pacheco
Characters: Scooby Dum, Mumsy-Doo, Yabba-Doo, Spooky Space Kook, Spooky-Doo, Velma Dinkley, Daphne Blake, Dada-Doo, Shaggy, Scooby-Doo, Fred Jones