Overview: Jonathan "Jonny" Quest is a Tom Swift-like 11-year-old American boy who lost his mother at an early age. Although unenthusiastic in his schooling, he is intelligent, brave, adventurous, and generally athletic with a proficiency in judo, scuba diving, and the handling of firearms. He takes on responsibility willingly, attending to his homework (and/or household chores), telling the truth, and treating adults with respect. His voice was provided by actor Tim Matheson.