A radio show started in May 1940. Like a lot of superheroes, especially in the Golden Age, his origin evolved over time, and in the case of Blue Beetle the character got an immediate soft reboot ...

and a long running Blue Beetle radio show. But by the '50s, his popularity had waned along with most other superheroes. Eventually, Blue Beetle was bought by Charlton Comics in the late '60s - by ...