“What do you call someone who points out the obvious?”/“Someone who points out the obvious.”

A riddle was posted on Twitter by sickipediabot on June 30, 2010:
   
Q: What do you call someone who points out the obvious?
A: Someone who points out the obvious.

   
The joke originated on the Sickipedia website.
 
           
Twitter
Andy Webb
@webbyand
What do you call someone who points out the obvious?
Someone who points out the obvious.
2:42 PM · Jun 30, 2010·Twitter Web Client
   
Twitter
Omar Abu Omar
@OmarDXB
What do you call someone who points out the obvious?Someone who points out the obvious.
3:07 PM · Jun 30, 2010·Twitter for iPhone
   
Twitter
sickipediabot
@sickipediabot
What do you call someone who points out the obvious?
Someone who points out the obvious.
3:24 PM · Jun 30, 2010·sickipediabot
 
19 July 2010, The Sun (London, UK), “Have a Laugh!,” pg. 25:
WHAT do you call someone who points out the obvious? Someone who points out the obvious.
 
Google Books
Belly Laugh Jokes for Kids:
350 Hilarious Jokes

By Sky Pony Editors    
New York, NY: Simon & Schuster
2015  
Pg. ?:
Q: What do you call someone who points out the obvious?
A: Someone who points out the obvious.
 
Reddit—Dadjokes
Posted by u/Rhinofreak December 17, 2016
What do you call someone who points out the obvious?
Someone who points out the obvious.
   
Reddit—Jokes
Posted by u/GeneralFuqfaice February 24, 2017
What do you call someone who points out the obvious?
Someone who points out the obvious.
 
Reddit—Jokes
Posted by u/Shaolang April 16, 2017
What do you call someone who points out the obvious?
Someone who points out the obvious.
   
Reddit—AntiJokes
Posted by u/MElvishimselvis February 21, 2018
What do you call someone who points out the obvious?
Someone who points out the obvious
 
Reddit—Dadjokes
Posted by u/porichoygupto February 1, 2021
What do you call someone who points out the obvious?
Someone who points out the obvious.
 
Reddit—3amjokes
Posted by u/porichoygupto February 24, 2021
What do you call someone who points out the obvious?
Someone who points out the obvious.