Professor Von Klamp is an inventor who was trying to swindle some inventors with a time machine scam aided with his financial banker Simon Grady and is voiced by John Stephenson.
History: after they were captured, Mystery inc. explained to the investors what was really going on. Professor Von Klamp and Simon Grady designed a fake time machine and monster in order to swindle the investors out of money. The discs found by the gang were holographic images of the monster that could appear with use of the laser beam. The monster that grabbed the professor was actually Grady dressed up as the monster.