Two androids created by Dr. Gero to kill Goku. They end up being activated prematurely, then turn on their creator and destroy him.They're actually cyborgs, as it's stated a few times that they were originally human teenage twin.the Androids go on a rampage across the Earth, causing destruction and chaos, with even the Z Fighters ending up dead at their hands, leaving Future Trunks the only.theyre cruel and they kill anyone in instant just for fun and satisfaction. they have infinitie stamina