Android 21

Android 21 is a special biological Android created by Dr. Gero super computer to have the cells of the most powerful warriors and the intelligence of the smartest scientists. Originally named Vomi when she was a human, 21 was the wife of Gero, and the mother of Android 16 when he was human when she was a member of the Red Ribbon Army. 21 original mission was to consume as many powerful warriors due to her having Majin Buu cells. Eventually, she would split into two separate beings. While the evil version would continue her original goal to consume others, the other version was good and would help you stop her other half.