Android Number 18 known as Lazuli when she was human, is the twin sister of Android Number 17 and an Android created from a human base by Dr. Gero with the sole purpose of destroying Goku. This android is later united to the Z Warriors and later it ends up being the wife of Krillin and the mother of Marron. Despite not participating in the battles against Majin Boo, he fights Super Number 17 in Dragon Ball GT with the help of Goku.
