Dr. Wheelo

Dr. Wheelo is an evil scientist who brain is in a robot from the second animated Dragon Ball Z film titled "The World's Strongest". He was trapped in his lab which had been frozen under ice for a long time but the lab rose up when Dr. Kochin used the Dragon Balls. Goku fought against Dr. Wheelo after he defeated his three Bio-Warriors Misokatsun, Ebifurya and Kishime. Piccolo, Goku, Krillin and Gohan had a hard time fighting Dr. Wheelo but he was defeated by Goku's Spirit Bomb.