She is Sadistic and sociopathic, she will go to extreme lengths to gain the power she desires. Fitting with her evil nature, Android 21 was disgusted with her good self's way of thinking and views who had no will or desire to consume others for their power. She is an Android whose template was Vomi. She appears as the main antagonist of Dragon Ball FighterZ when in her evil persona. Her intellect rivals that of Dr. Gero, though she may be even smarter than he was.