DBZ Bad Guys - Dr. Gero

The creator of the Red Ribbon Army in the original Dragon Ball, Dr. Gero has sworn vengence against Goku for destroying his army. He creates Androids (16, 17, 18, 19 and himself, Android 20) to kill Goku and the rest of the planet's inhabitants. He is destroyed by Androids 17 and 18 when they no longer desire to follow his commands.