|“||Because you have dared to violate the secret voodoo chant. You must suffer the curse of Mamba Wamba.||„|
|~ Mamba Wamba talking to Alex and his band.|
Mamba Wamba is the titular main antagonist of The Scooby-Doo Show episode, "Mamba Wamba and the Voodoo Hoodoo".
He was voiced by late John Stephenson.
Roger is the band manager of Alex Super Experience. He and one of the band's members, Lila, realize that the Mamba Wamba voodoo chant is going to be a big hit worth millions. Together they plan a scheme to make the band sign away the rights to the song.
In the beginning of the episode Mystery Inc. is on a show Alex Super Experience is performing. They begin singing a voodoo chant based on an ancient legend.Suddenly Mamba Wamba appears on stage, kidnaps Lila and vanish. The gang comes together with the band and their manager Roger, and they all decide to go to an old plantation where Lila grew up. But before they get away Velma finds a voodoo doll of Lila and explains that Mamba Wamba is planning to turn Lila into a zombie.
When they arrive at the old abandoned house they plan to summon Mamba Wamba but gets interrupted by the Mamba Zombie. Shaggy and Scooby then sees Mamba Wamba appear and he throws a voodoo doll of Roger at them, then disappears. Scooby and Shaggy reunites with the gang and the band and show them the voodoo doll. Roger the run away and everyone goes after to find him but they don't. Back at the house they split up and looks for clues. Alex and Daphne goes to the basement but Mamba Wamba and the Mamba Zombie appears. The Mamba Zombie kidnaps Alex and Mamba Wamba vanish again, leaving Daphne alone with a voodoo doll of Alex. Daphne then shows the doll for Velma and Fred. The gang comes together and discover voodoo dolls of the last members of the band; Rey and Deek.
Fred, Daphne and Velma finds a secret passage in the cellar and follows it. Shaggy and Scooby meets a frog who joins them and sees Mamba Wamba, the Mamba Zombie and Zombie Lila, as well as the band tied up. Mamba Wamba forces the band to sign a parchment to never play the voodoo chant again but Shaggy, Scooby and the frog takes the parchment and runs away with Mamba and his gang chasing after them. Eventually the band and the Scooby gang comes together and makes a trap to capture Mamba Wamba and his zombie minions. They succeed with the plan and the police arrives. The gang explains everything and Roger, Lila and their henchman are all arrested.
- Mamba Wamba cut off the band before they could finish the voodoo chant song so the whole lyrics is forever unknown.
- In Scooby-Doo! Frankencreepy the Mamba Wamba case appears as a flashback. Not the whole case is shown but they show the unmasking of Mamba Wamba.
- In Scooby-Doo! Frankencreepy Fred refers to Roger being a music producer, while actually he is the band's manager.