Johnny Thunder is the name of three superheroes appearing in comics published by DC Comics. A fourth character has the variant name Jonni Thunder. The character appeared in the second season of Stargirl on The CW network played by Ethan Embry. Publication history. Johnny Thunder first appeared in Flash Comics #1 (January 1940) and was created by John Wentworth and Stan Aschmeier. In the first few issues, the title of the feature was Johnny Thunderbolt. He continued in Flash Comics until issue #91 (Jan 1948). Fictional character biography. Earth-Two version. John L.
https://en.wikipedia.org/wiki/Johnny_Thunder