Manny is a henchman of the Riddler in Batman: The Animated Series. When the Riddler reformed, he sends Manny to steal items. He is stronger than his partner Zowie. In one theft, Manny and Zowie managed to escape Batman due to Robin getting injured.
They returned to their boss and went along with his plan to get rid of Batman. Batman survived and later defeated Manny and Zowie. They were later arrested by the cops.