Wait, people say "Ernie and Bert"?

Who are these monsters?

Using Google Ngram, we can see that ever since the early 70's, saying "Bert and Ernie" has been more popular than saying "Ernie and Bert." 

Data from  Google Ngram .

Data from Google Ngram.

But it wasn't until the 90's that people started getting their act together and started saying "Ernie and Bert" less and less. Unfortunately, the practice has yet to die out, and so one would assume that these backwoods Ernie-and-Bert-ers are out there somewhere saying everything backwards, like, "Cher and Sonny" or "Jerry and Ben" or "stance and hap."

What do you say?