Co-scientist who partners with Nordstrom to build Tobor for space exploration. He oversees the robot's demonstration, alerts authorities when the professor and Gadge are kidnapped, assists the military in the rescue, and successfully reactivates Tobor telepathically when remote signals fail.
They collaborate within the same scientific research environment focused on space exploration.
Karl serves as Harrison's reliable right-hand man in the laboratory.
Explore the full interactive character relationship map of Tobor the Great