2.Dr Gero – Dragon Ball
Dr. Geronimo is a supporting antagonist in the Dragon Ballfranchise, 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.
Dr. Gero is very cold-hearted, willing to stop at nothing to achieve his goals, even kidnapping other people to use in his experiments. He also holds a strong hatred for Goku after the latter defeats the entire Red Ribbon Army. He has the utmost confidence in his technological skills and intellect, as he believes, even when the odds are against him, that him, or his creations, will succeed somehow. Gero also trusts his creations with his life, believing now that he has “improved” them, they will respect him as their master.
He has created the best androids such as 18,19 and his master piece bio android “CELL”.
This earning him in the 2nd Rank of the List
1.Mayuri Kurotsuchi – Bleach
He is a researcher and personifies the stereotype of the mad scientist. He sees everyone and everything not as a living being, but as an object to be researched, including himself.