The Really Rottens were a Laff-A-Lympics team, they were a group of villainous characters from Hanna-Barbera, Many Members of the team were original characters (With the exception of Mumbly and The Dalton Brothers). their competitors were The Yogi Yahooeys and The Scooby Doobies.
in Laff-A-Munich (segment of Ban on the Fun) after they kill the Yogi Yahooeys team members, they were killed by the Scooby Doobies. The Members who appeared were The Dread Baron, Mumbly, Dinky Dalton, Dirty Dalton, The Great Fondoo and Daisy Mayhem.