All Androids in Dragon ball !
Canon Androids (Main Series)
Android 8 (Eighter)
First Android shown in Dragon Ball. Friendly and kind-hearted.
Android 13, 14, 15 (Movie 7 - Non-canon)
Appear in Dragon Ball Z: Super Android 13!.
Android 13 fuses with the others to become Super Android 13.
Android 16
Giant, gentle android with a love for nature.
Purely mechanical. Very powerful but peaceful.
Android 17
Human-based. Twin brother of Android 18.
Becomes a Z-fighter in Dragon Ball Super, joins Universe 7’s Tournament of Power team.
Wins the tournament and makes the wish with Super Dragon Balls.
Android 18
Human-based. Twin sister of Android 17.
Marries Krillin and becomes part of the Z team.
Android 19
Fat, fully mechanical android with pale skin.
Fights Goku and gets destroyed by Vegeta.
Android 20 (Dr. Gero)
Dr. Gero converted himself into an android.
Eventually destroyed by Android 17.
Android 21 (Game-only, Dragon Ball FighterZ)
Female android, mix of Majin Buu DNA and others.
Extremely intelligent and powerful.
Has both Good and Evil personalities.
Androids 1–7 & 9–15
Mentioned only in passing or in data books.
Not seen in the anime/manga (except for Android 13, 14, 15 in movies).
Early failed or incomplete prototypes.
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Future Timeline Variants (Trunks' Timeline)
Future Android 17 & 18: Much more ruthless, destroyed most of the world.
Future Android 16: Never activated in this timeline.
Gero’s Lab was destroyed before he could create Cell.
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Cell
Technically an Android (called Artificial Human in Japanese).
Bio-android created from DNA of various fighters.
Has forms: Imperfect Cell, Semi-Perfect Cell, and Perfect Cell.
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Super Android 17 (GT - Non-canon)
Fusion of Hell Fighter 17 (from Hell) and Android 17.
Appears in Dragon Ball GT during the Super 17 Saga.
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Dragon Ball Heroes / Spin-offs (Non-canon)
Android 21 (Lab Coat): Variant of Android 21.
Android 22–24: Fan content or spin-off material, not officially canon.
Android 35 (Cumber's timeline): Only in Heroes anime.