A mighty
hunter and godking of Babylon and legendary founder of Mesoptamiam civilization.
Also a descendant of Noah.
Name popularized by Bugs Bunny calling the Elmer Fudd, the
hunter,"Nimrod".
This was mocking Elmer sarcastically for being a poor
hunter of wabbits.
Has nothing to do with foolishness or stupidity outside of those who misinterpreted the quote from Loony Toons.