“What has no legs, but can do a split?”/“A banana.”

A banana split riddle is:
   
Q: What has no legs, but can do a split?
A: A banana.
 
The joke has been cited in print since at least 1999.
 
     
3 December 1999, The News Journal (Wilmington, DE), “Just for Laughs,” pg. 16, col. 2:
Q: What has no legs, but can do a split?
A: A banana.
Courtney Ward, age 11
Newark
     
Twitter
Psychology 200‏
@psy200tweets
What has no legs but can do a split? A banana! #fb
9:00 PM - 18 Mar 2010
 
Facebook
Compassionate Home Care LLC
May 12, 2016 ·
Q: What Has No Legs But Can Do A Split?
A: A banana. #funny #jokes
 
Twitter
Talea Burnett‏
@TaleaBurnett
What has no legs but can do a split? A banana! #dumbjokes #alwaysbringabananatoaparty #laffytaffy
8:12 PM - 5 Aug 2016
 
Twitter
Laffy Taffy Jokes‏
@LaffyTaffyBot
WHAT HAS NO LEGS BUT CAN DO A SPLIT? A BANANA!
1:02 PM - 5 Jun 2017