The Green Hornet is a fictional character created by George W. Trendle and Fran Striker, with input from radio director James Jewell, in 1936. Since his radio debut in the 1930s, the Green Hornet has appeared in numerous serialized dramas in a wide variety of media.
The Green Hornet (1940) is a Universal movie serial based on The Green Hornet radio series by George W. Trendle and Fran Striker. Disliking the treatment Republic gave The Lone Ranger in two serials, George W. Trendle took his property to Universal Pictures, and was much happier with the results. The first serial, titled simply The Green Hornet and released in 1940, starred Gordon Jones in the title role, albeit dubbed by original radio Hornet Al Hodge whenever the hero's mask was in place,
The story is as follows:
Newspaper publisher Britt Reid, secretly The Green Hornet, and his Korean valet Kato investigate and expose several seemingly separate rackets. This leads them into continued conflict with the Leader, the criminal mastermind behind the Syndicate and the individual crimes. (Source: wikipedia.org)