And parents of the time also got that Foghorn Leghorn was a parody of Senator Claghorn: https://en.wikipedia.org/wiki/Senator_Claghorn

Edit: Apparently, Foghorn goes even further back and is a parody of the sheriff from Blue Monday Jamboree as the first Foghorn episode predates Claghorn: https://cartoonresearch.com/index.php/the-origin-of-foghorn-...