“Why did the cannibal eat the tightrope walker?”/“He wanted a balanced meal.”

A cannibal riddle is:
 
Q: Why did the cannibal eat the tightrope walker?
A: He wanted a balanced meal.
 
The joke has been cited in print since at least 2005.
 
         
Google Books’
A Prairie Home Companion
Pretty Good Joke Book
Introduced by Garrison Keillor
Minneapolis, MN: HighBridge
2005
Pg. 157:
Why did the cannibal eat the tightrope walker?
He wanted a balanced meal.
   
Google Books
The Everything Kids’ Gross Jokes Book:
Side-splitting Jokes That Make Your Skin Crawl!
By Aileen Weintraub
Avon, MA: Adams Media
2005
Pg. ?:
Why did the cannibal eat the tightrope walker?
He wanted a balanced meal.
   
Google Books
Jumbo Jokes And Riddles Book:
Hours of Gut-busting fun!
By Beth L Blair
Avon, MA: Adams Media
2007
Pg. ?:
Why did the cannibal eat the tightrope walker?
He wanted a balanced meal.
 
11 April 2007, Daily Record (Glasgow, Scotland), “Feast your eyes on cannibal favourites” by Tam Cowan, pg. 11:
Having sifted through literally hundreds of entries, it now gives me great pleasure to present (cue trumpet fanfare) The Ten Worst Cannibal Jokes of All-Time.
 
1 Why did the cannibal eat the tightrope walker? He wanted to enjoy a balanced meal.(Paul Lochrie)
 
Twitter
Bollywood Sargam‏
@bollywoodsargam
Cannibal jokes - 2412 Joke: Why did the cannibal eat the tightrope walker?
He wanted a balanced meal. .... http://bit.ly/lxbic
7:05 PM - 4 Aug 2009
   
25 October 2009, Newsday (Long Island, NY), Kidsday sec., pg. 19:
JOKE OF THE WEEK
Why did the cannibal eat acrobats?
He wanted a balanced meal.
Brendan Tominey and Connor Fenton
     
Google Books
Sensible Nonsense.. Frank’s Comic Pack:
Humour Pack Series
By Frank Paul
Bookbaby
2014
Pg. ?:
Why did the cannibal eat the tightrope walker?He wanted a balanced meal.
 
Twitter
Lucky Score‏
@LuckyScoreNet
Why did
the cannibal eat the tightrope
walker?
He wanted a balanced meal.
#Joke from #CannibalJokes in #Jokes, #Humor and #Satire
1:33 PM - 16 Dec 2017