Android 18 or Lazuli is the twin sister of Android 17 and a recurring character in the Dragon Ball franchise. Turned into a android by Dr. Gero, she rebels against him alongside 17 after activation, later killing the scientist. They, alongside Android 16 cause trouble for the Z fighters, which indirectly leads her to be absorbed by Cell, to create his perfect form. After she is saved by Krillin using the Dragon Balls, she becomes his wife and fights alongside the Z fighters later in the series.