A buff and big android. He appears in movie 7 for dragonall Z as one of the androids that were kept hidden. He was later destroyed by Trunks.

Name: Android 15
Race: Android
Hair: Black

A small android, who is constantly drinking, fights Vegeta alone in movie 7. Vegeta destroys him eventually.

Name: Android 16
Race: Android
Hair: Brown

This android was never supposed to be released. He is 100 percent robot and is not based on a human model. He is the most powerful of the androids, his power was displayed against Cell when he fought him. He nearly destroyed Cell but after Cell absorbed 17 he did not have much of a chance. 16 does not fight unless he truly has to or if it is Goku. He does not fight any of the z fighters because he only wants to destroy Goku. After cell destroyed most of 16 he was rebuilt by Bulma and helped during the cell games, he was a big part to help Gohan fight against Cell.

Name: Android 17
Race: Android
Hair: Black

Killed his creator Dr. Gero. He was made to destroy Goku but after Dr. Gero was killed hedid whatever he felt like doing but he still has the urge to destroy Goku. He likes to take his time doing things and enjoy them. He seemed less ruthless along with 18 in the timeline Goku did not die in compared to the timeline Trunks came from.

Name: Android 18
Race: Android
Hair: Blonde

The sister of Android 17. She like the rest of the Androids are creations of Dr. Gero. She is similar to her brother when it comes to fighting but she is not as ruthless as him. They both terrorized the world when they came and fought the z fighters with ease at first. However, Cell came along and absorbed them both. After 18 got out of cells body she was let go by krillens request. She and Krillen eventually marry and have a daughter named marron.

Name: Android 19
Race: Android
Hair: None

Android 19 is an assistant to android 20. He is not too strong or intelligent. He always needs to refill his energy with Ki Blasts. He eventually gets defeated by a Super saiyan Vegeta.

Name: Android 20/Gero
Race: Android
Hair: Gray

Android 20, Dr. Gero, is the creator of the androids. When Goku was a boy, he single handedly destroyed Geros army. The doctor decided he would make an army of Androids that can destroy Goku. He then later turns himself into an android for his safety. He eventually gets killed by his creation android 17.