Future Android 18

Future Android 18 is an evil version of its past counterpart to Android 18. She is the main antagonist together with her brother's special Dragon Ball Z The History of Trunks.

In The Future of Trunks
Six months after Goku's death because of a heart disease, the Androids numbers 17 and 18 are released by Dr. Gero to kill and put his plan of revenge against Goku, with this the android kill Dr. Gero his own creator. Soon after the androids begin to kill the people and the Z Fighters defy the Androids in defense of the population, with Future Android 18 kills kills Future Picollo, Future Tien Shinhan and Future Yajirobe, (which is a surprise since it appears alive Dragon Super). Soon after they kill the people who were just defending themselves, Gohan and Trunks appears and gives an ultimatum to the and more Future Android 18 moncks them and the fight begins and balanced androids end up having more advantages over them then Gohan seeing that would not be able to defeat them then flee.

Soon after Gohan is without one arm probably one of the fights against the androids, Gohan decides to inflate the androids and knocks out Trunks with intention to protect him more Gohan alone was not could defeat them both androids and dies with that Trunks annoyed with the death of his master turns into super sayan for the first time.

After Trunks decides to travel back in time thanks to his mother, he changes the events by killing Frieza, King Cold and his men and giving the medicine of the heart to the Goku, after he helps the Z Fighters defeat Cell, Trunks gets more out and back into the future, he faces the androids only this time he much stronger and defeats them very easily.