The prisoners were captured by the Galactic Patrol during the many years it was active, with the likes of Moro being captured ten million years ago, while Cranberry was imprisoned sometime after the Battle of Namek.
Main article: Galactic Patrol Prisoner Saga Regaining some of his magic power, Moro escaped the Galactic Prison alongside Cranberry. During their attack on Namek, when Cranberry was about to make his third wish from Porunga on New Namek, Moro interfered and killed him to make sure that he'll be able to free his awaiting army.
After gaining a large power up from Moro (who absorbed the heroes' powers a few times already) they began fighting against the still-energy-drained Goku, Vegeta, Good Buu (as the Grand Supreme Kai), Merus and Jaco.
The power of each prisoner varies. When Moro shared some of his energy with the prisoners, during the prisoner's group attack on Goku and Vegeta in their Perfected Super Saiyan Blue forms and Good Buu as the Grand Supreme Kai they were no match, with each being downed in a single hit. However they were capable of taking on Goku and Vegeta's base forms.
When Moro stole energy from Goku and Vegeta, a pair of prisoners grew strong enough to briefly fight Goku and Vegeta in their Super Saiyan forms (though their energy was greatly drained). These same two prisoners were later defeated by Vegeta after his Spirit Control training with a single hit each and were killed by Yuzun's hardened building.
When the prisoners invaded Earth, three of them were easily taken down by Yamcha. Eventually the other key members of the group were taken down also with several of them being taken back to the Galactic Prison. Saganbo however, died as a result of taking in more energy than his body could possibly handle.
- Moro (leader)
- Galactic Bandit Brigade
- Macareni Gang