In the manga and anime series Kinnikuman, Sneagator was a Devil Knight who taught the Seven Devil Chojin. He had the ability to transform into any form, including claws, snakes, shoes, and even his original T-Rex foot form. His most common appearance was reptilian with sneakers or laces incorporated somewhere on it. Despite this, he ultimately lost to Kinnikuman in a battle and was smashed onto the mat. Sneagator's grandson is Maxman, one of the villains in Kinnikuman Nisei.
He appears with the other Devil Knights when they take on the Perfect Origin. His opponent was Perfect Seventh, Ganman. Despite his many tricks on Ganman, he gets killed with no remorse.