Android 21 is a prominent, original character created by Akira Toriyama for the Dragon Ball franchise, primarily known as the main antagonist and a playable fighter in Dragon Ball FighterZ. She is a brilliant Red Ribbon Army scientist whose insatiable hunger stems from her Majin cells. researcher and the wife of Dr. Gero named Vomi. She was also the mother of the soldier whose appearance was modeled for Android 16. Bio-Android: Following her death, Dr. Gero's supercomputer continuously modified her dormant body, fusing her with the DNA and cells of the universe's greatest warriors (including Saiyans, Namekians, Frieza, and Majin Buu). Split Personality: Due to her Majin cells, she developed a ravenous, evil persona. When she goes too long without feeding, her malevolent side takes over, completely altering her body and mind. Kindhearted: Sweet, motherly, and very gentle.Brilliant: A genius scientist who hates fighting.Regretful: Terribly deeply ashamed of her dark side.Protective: Views Android 16 as her own son. Evil 21 Sadistic: Loves watching her victims suffer.Gluttonous: Driven entirely by a wild, endless hunger.Arrogant: Views everyone else as mere snacks.Manipulative: Plots global chaos just to feed.