Doctor Gero, a brilliant yet vengeful scientist, transformed himself into a cybernetic being, designating himself as Android 20. This character played a significant antagonistic role within the Dragon Ball Z narrative. He sought to exact revenge on Goku for the destruction of the Red Ribbon Army, a paramilitary organization previously led by Doctor Gero.
The character’s significance lies in his role as a catalyst for major plot developments. His quest for vengeance unleashed powerful artificial humans upon the world, posing a formidable threat to Earth and its defenders. Doctor Gero’s actions ultimately led to the emergence of even more dangerous adversaries, raising the stakes and intensifying the conflict.