“Why are leprechauns so hard to get along with?”/“They’re very short-tempered!”

A leprechaun riddle is:
 
Q: Why are leprechauns so hard to get along with?
A: They’re very short=tempered!
 
The joke has been cited in print since at least 2001.
 
 
Kidsjokes.co.uk (June 23, 2001) 
St Patricks Day Jokes
Why are leprechauns so hard to get along with?
Because they’re very short-tempered!
 
Google Groups: alt.humor.jewish
Jest For Kids Weakly 03-16-04
Stan Kegel
3/21/04
(...)
Why are leprechauns so hard to get along with?
Because they’re very short-tempered! (Kegel Archives)
 
Google Groups: Angelique’sSmorgaabord
Some Irish jokes for St. paddy’s tomrrow. Enjoy.
andrea murray
3/17/07
(...)
Q: Why are leprechauns so hard to get along with?
A:Because they’re very short-tempered!
 
Twitter
Beverly Schmitt‏
@BeverlySchmitt
Q.  Why are leprechauns so hard to get along with?
A.  Because they’re very short-tempered!
10:32 AM - 17 Mar 2009
 
HubPages
St Patricks Day Jokes and Riddles For Kids
Updated on March 26, 2012
(...)
Why are leprechauns so hard to get along with?
Because they’re very short-tempered!
 
Best Blog For Kids Who Hate To Read
Time to Laugh: St. Patrick’s Day Jokes
March 14, 2014 Gail Terp
(...)
Why are leprechauns so hard to get along with?
Because they’re very short-tempered!
 
Twitter
Clean Jokes‏
@CleanJokes247
#CleanJokes Q: Why are leprechauns so hard to get along with? A: Because they’re very short-tempered! http://ow.ly/3dt5f3
11:33 AM - 12 Apr 2016