Who is Ivo Robotnik

Dr. Ivo "Eggman" Robotnik is a genius with an IQ of 300, who tries to conquer the world and build Robotnikland/Eggmanland. Despite not showing it, his Sonic Mega Collection profile states that he is a romanticist. Dr. Robotnik has a rivalry and grudge with Sonic, although he did show a form of sadness in Sonic 06 during Sonic's temporary death. He is one of the most famous video game villains.