Android 18, originally known as Lazuli, is a fictional character from the Dragon Ball series created by Akira Toriyama. She is a powerful android created by Dr. Gero to serve as a villain against Goku and his friends. Initially introduced as an antagonist, she eventually becomes an ally and marries Krillin, with whom she has a daughter named Marron. Android 18 is known for her strength, cool demeanor, and independent nature, often playing a crucial role in battles alongside the Z Fighters. Her character development from a cold-hearted android to a caring mother and friend is one of the key aspects of her role in the series.