Dr. Gero
Dr. Gero (ドクター・ゲロ Dokutā Gero), also known as Android 20 (人造人間20号 Jinzōningen Niju-Gō, lit. "Artificial Human No. 20"), is a supporting antagonist in the Dragon Ball franchise, appearing in the Dragon Ball manga and the animes Dragon Ball Z and Dragon Ball GT. He is a genius scientist who is the mastermind behind the Red Ribbon Androids, chief amongst them the bio-organic Cell.
Dr. Gero is the main antagonist of the Androids Saga.
Team : Red Ribbon
Race : Android