“How does the man on the moon cut his hair?”/“Eclipse it.”

A riddle about the moon is:
 
Q: How does the man in/on the moon cut his hair?
A: Eclipse it.
 
The “eclipse it”/“he clips it” pun has been cited in print since at least 1984.
   
         
16 December 1984, Sunday Post-Crescent (Appleton, WI), “Roops’ books catching on with children” by Tom Fischer, pg. C-2, col. 1:
Q: How does the Man in the Moon cut his hair?
A: Eclipse it.
 
Google Books
More Unidentified Flying Riddles
By Joanne E Bernstein and Paul Cohen
Niles, IL: A. Whitman
1985
Pg. ?:
How does the Man in the Moon cut his hair? ‘Eclipse it. (He clips it.)
 
Google Groups: rec.humor
42
Joshua Bell
10/12/91
(...)
Seen on a construction site as grafitti:
Q. How does the man in the moon cut his hair?  A. Eclipse it!
 
Google Books
March 1995, Boys’ Life, “Think & Grin,” pg. 61, col. 2:
Pedro: How does the man on the moon cut his hair?
Izzy: I give up. How?
Pedro: Eclipse it! — Van Boyd Jr., Dallas, Tex.
   
4 August 1998, Buffalo (NY) News, “Kid Bits,” pg. N7:
How does the Man in the Moon cut his hair? Eclipse it!
 
Google Groups: rec.sport.pro-wrestling
WHAT DOES THE MAN IN THE MOON DO WHEN HE NEEDS A HAIRCUT?
Steve Kiley
10/7/99
ECLIPSE IT!  Get it?  Eclipse it!
   
Google Books
December 1999, Boys’ Life, “Think & Grin,” pg. 73, col. 2:
Carey: How does the man in the moon get his hair cut?
Larry: How?
Carey: Eclipse it.
—Michael Johnson, Poulabo, Wash.
 
Google Groups: alt.sports.soccer.everton
Solar…......so good
Quaggers
5/18/04
How does the moon cut hair?
..........................Eclipse it.
   
Google Groups: sci.astro.amateur
Re: MEN ON THE MOON
Sam Wormley
5/5/07
(...)
How does the man on the moon get his hair cut?
Eclipse it!
   
Twitter
Natalie Ebig Scott‏
@Natalie_Joy
rt @comicTwit How does the man on the moon get his hair cut? Eclipse it!
8:24 AM - 9 Sep 2008
 
Twitter
Jennson‏
@heartofGotham
How does the man on the moon cut his hair? Eclipse it. :D
8:13 PM - 23 Mar 2009
 
Google Books
Random Wisdom
By Russell Gerald Johnston
Bloomington, IN: iUniverse
2012
Pg. 101:
How does the man in the moon cut his hair? Eclipse it.
 
Facebook
Whatso Funny?
November 13, 2016 ·
How does the moon cut his hair? – Eclipse it.
 
Reddit—Jokes
How does the man on the moon get his haircut?
submitted December 7, 2016 by DeezNeezuts
Eclipse it!
 
Google Books
Srsly Best Jokes Ever:
Jokes for Kids
By Chantelle Grace
Racine, WI: BroadStreet Kids
2017
Pg. ?:
How does the barber cut the moon’s hair?
Eclipse it.