So Chuck Berry is the hallmark of the Apocalypse.
Who knew?
Chuck Berry??! Nah, we all know that Elvis Presley is the one to get the blame (and, by extension, Forrest Gump).
Someone, I don't remember who, wrote an interesting essay sometime back wherein it was claimed that two people were responsible for completely changing the direction of American culture: Elvis Presley and Hugh Hefner. Might even be in the archives here at FR somewhere...