“My poor knowledge of Greek mythology has always been my Achilles elbow”

“My poor knowledge of Greek mythology has always been my Achilles elbow”—“Achilles’ heel” is correct—is a jocular saying that has been printed on many images. “Anatomy is my Achilles elbow” was posted on Twitter on December 26, 2009.
     
“As a pub quiz fan, I find my poor knowledge of Greek mythology is my Achilles elbow” was posted on Twitter on October 18, 2012.
 
   
Twitter
Simon Parkin‏
@SimonParkin
Anatomy is my Achilles elbow.
11:43 AM - 26 Dec 2009
 
Twitter
Garret Depass‏
@Garretdepass
I’m worried that people will find out that both biology and mythology are my Achilles elbow.
2:44 PM - 18 Dec 2010
 
Twitter
Ian Power‏
@IHPower
As a pub quiz fan, I find my poor knowledge of Greek mythology is my Achilles elbow.
12:56 PM - 18 Oct 2012
 
Twitter
Kenwyne Jones‏
@KenwynJones09
Greek mythology is my Achilles’ elbow when it comes to general knowledge.
11:46 AM - 26 Mar 2013
 
Twitter
James Martin‏
@Pundamentalism
Classical references have always been my Achilles’ elbow.
12:40 PM - 31 Mar 2013
 
Reddit—Jokes
My poor knowledge of Greek mythology has always been my Achilles elbow
submitted June 3, 2015 by funkymonkey1995
 
Facebook
Lame Jokes
June 3, 2015 ·
My poor knowledge of Greek mythology has always been my Achilles elbow
      .
16 June 2015, The Herald (Glasgow, Scotland), “Heading Here” by Ken Smith:
A PIECE of whimsy from Ian Power who tells us: “As a pub quiz fan, I find my poor knowledge of Greek mythology is my Achilles’ elbow.”
     
Reddit—Dad Jokes
My poor knowledge about Greek mythology has always been my Achilles’ elbow. (self.dadjokes)
submitted October 26, 2015 by that_introverted_guy
 
Twitter
Shit Jokes‏
@ShitJokes
My poor knowledge of Greek mythology has always been my Achilles elbow.
1:19 PM - 6 Aug 2016
 
Reddit—Jokes
My lack of knowledge of greek mythology is my one weakness.
submitted July 8, 2017 by Snoocicle
It’s my Achilles elbow.