“Who is the king of office supplies?”/“The ruler.”

An office supplies riddle is:
   
Q: Who/What is the king of office supplies?
A: The ruler.
   
“What’s the king of all office supplies? The ruler!” was posted on Twitter by “}” on September 22, 2013. “Q: Who is the King of office supplies? A: The ruler” was posted on Twitter by OfficeTeam on August 28, 2014.
   
       
Twitter 
Kevin Knutson
@kevinmadness
In the office supplies world, the ruler is supreme. Also cupcakes for charity.
12:24 PM · Feb 11, 2010·Twitter Web Client
 
Twitter
Chris Thompson
@rick_dudester
I used to get confused, but now i’ve set up an office supplies government I now know which one is the ruler. #win100
7:57 AM · Jan 17, 2011·Twitter Web Client
 
Twitter
سعدالدين الألاطوشي
@SaadMotham
The ruler is the dictator of office supplies.
3:59 PM · Mar 27, 2013·Twitter Web Client
       
Twitter
}
@SDFMI9
What’s the king of all office supplies?
The ruler!
#funny #joke
6:59 AM · Sep 22, 2013·Twitter for Android
 
Twitter
OfficeTeam
@OfficeTeamLtd
Q: Who is the King of office supplies?
A: The ruler.
#lol?
5:01 AM · Aug 28, 2014·Twitter Web Client
         
Twitter
KickAssWidow
@kickasswidow1
“What is the King/Queen of all Office Supplies?”  #NationalStationeryWeek The Ruler
GIF
11:33 AM · Apr 24, 2017·Twitter Web Client
 
Twitter 
susie Snowflake
@bachelorjin
what’s the king of all office supplies?
[the ruler]
#BTSARMY #BestFanArny #iHeartAwards –
@BTS_twt
5:39 PM · Jan 19, 2018·Twitter Web Client
 
Twitter
VOW Wholesale
@VOWWholesale
What do you call the king of all office supplies??
….The Ruler
#UKPunDay #OfficePuns #StationeryMatters
GIF
8:00 AM · Feb 11, 2019·Hootsuite Inc.
 
Reddit—Dadjokes
Posted by u/dracolytch August 5, 2020
What is the king of office supplies?
The ruler, of course.