What is the origin of "Blanky McBlankblank"?

A couple of years ago, I started hearing people use derogatory terms to refer to others, like “Dummy McDumbdumb” or “Fatty McFatfat” and the like. It’s occurred to me I’d never heard this reference before fairly recently.

Where did this originate? Is it from a movie?

First I recall it is from “Friends” -

That would make sense. I’ve never watched a single episode.

Yeah, I think it was Rachel with things like “Smokey Smokerson” and stuff.

I first heard this sort of thing on Rowan Atkinson’s Blackadder series way back in the 80s.

I asked this question about a year ago, but with the damn 2 minutes between searches, it’ll be 2011 before I find the thread.

I found it:

Speaking of searches, I gave up on the pathetic search function here on the board. Use a Google site search and you get much better (and faster) results.