“What do you call an everyday potato?”/“A commentator.”

The potato has a few “-tater” jokes, such as:
 
Q: What do you call an everyday potato?
A: A commentator.
 
“Common-tater” was cited in print in 1991. “Definition of a ‘commentator’ -  an average potato” was cited in 1996.
 
“What do you call an everyday potato? A commentator” was cited on Twitter on September 20, 2012 and has been printed on GIFs.
 
“What do you call a helpful potato?”/“A facilitater,” “What do you call a phallic-shaped potato?”/“A dictator” and “What do you call a potato with glasses?”/“A spectator”  are other “tater” jokes.
 
     
Google Groups: rec.humor
Henry III Joke List
.(JavaScript must be enabled to view this email address)
6/19/91
(...)
What do you call a couch potato?
A spec-tater!!
(with my apologies to those who thought my common-tater joke was bad…)
 
Google Groups: alt.humor.puns
Short Puns
Steve P.
11/6/96
(...)
Definition of a “commentator” -  an average potato.
 
Google Books
April 2006, Boys’ Life, “Think & Grin,” pg. 58, col. 3:
Daffyhition: Commentator - an average potato.
Alex Scalise, Milwaukee, Wis.
   
Twitter
Dylan
‏@Landosystem
what do you call an average potato who gives play by play on sports? a common-tater! Come to my party!
5:45 PM - 14 Feb 2009
 
Twitter
jennybr5
‏@jennybr5
Joke from paper:  “What do you call a potato with a microphone?”  “A common - tater”
6:23 PM - 8 Jun 2009
 
Twitter
Carl’s Jr of Vegas
‏@carlsjrofvegas
What do you call a potato that anchors a news program?
A Commentator.
11:47 PM - 5 Apr 2010
 
Twitter
Sam Mosher
‏@Sam327Mosher
What do you call an average potato? A commentator!! #getit? (common ‘tater)
11:20 AM - 25 Oct 2011
 
Twitter
Joni M.
‏@jmichano
@BodgMattandJoJo NTS - skip Switzerland on my world tour! I have a “joke” for Matt this morning!! What do you call an everyday potato???? :D
12:57 AM - 20 Sep 2012
 
Twitter
Mike Brock
‏@xmikebrock
What do you call an everyday potato…. A common-tater. #producehumor
6:53 PM - 18 Nov 2013