Jinzouningen 18-gou

Android 18 is a fictional character who first appears in the Dragon Ball manga created by Akira Toriyama followed by Dragon Ball Z and Dragon Ball GT. No. 18 is a mass murderer in Future Trunks timeline. A cybernetic human 18 modified by Dr. Gero. She is often referred to in the original Japanese as a jinzningen which literally translates as artificial human. She is not entirely an android she refers to both herself and her twin brother as having been constructed from a human base. Source: Wikipedia