Majin is a spell used by Bibidy and Babidy to put people under there control.They put a M on there head so they know that,that person has been controoled by the majin spell.
Majin is the kind of magic Bibidy and Babidy use to being under their complete control. Babidy can only use this magic on ones who have an evil heart. He first used this magic on Dabura. Dabura helps Babidy control Babidy's henchmen and other people under his control. He has pui pui yamu and spopovitch under his control. He tried to do it to vegeta but vegeta was able to withstand it and not take any orders from babidy.