Inventor (Superman)

The greedy scientist was the supervillain responsible for inventing the terrifying Mechanical Monsters. He used them to loot a bank and a jewel exhibition, but he was stopped by Superman, who captured the inventor just as he was about to commit suicide, but Superman grabbed him and took him to prison.

Appearance
Superman (1940s cartoons)
 * The Mechanical Monsters

Trivia

 * His true name was never revealed.
 * The Inventor is similar to The Mad Scientist.