Lazlo Valentin was the deranged, and self-styled Eco-terrorist who was known as Professor Pyg.
In "Hunted", Professor Pyg and his partner, Mister Toad, showed up in Gotham with the intent to hunt down and eliminate the main investors in a land deal that had destroyed a wetlands animal preserve. The pair began their hunt by chasing down and tranquilizing Simon Stagg, the head of Stagg Industries. Flushed with victory, the pair posted a video clip online for all to see, where Pyg taunted Stagg, and his other potential victims, with a modified version of the classic nursery rhyme "Little Jack Horner", itself based on a land deal gone bad. He kidnapped Michael Holt and finally targeted the last businessman involved in the land deal - Bruce Wayne. After they were unable to find Wayne at Wayne Manor, Pyg and Toad kidnapped Alfred in his place.
- Hand-to-Hand Combat (Basics)
- Swordsmanship: Professor Pyg seemed to have had training in how to handle a sword. He used his surgical saw as a blade in combat.
- Medical Bag: Professor Pyg carried an old-fashioned medical bag that he used to carry his weapons.
- Professor Pyg's Car: A seemingly old-fashioned motorcar that concealed a small arsenal of weaponry and equipment and could easily keep pace with modern sports cars and even the Batmobile.
- Bone Saw