“Harry Potter walks into a bar…” (bar joke)

“A guy walks into a bar…” is a typical form of what has been called the “bar joke.” A Harry Potter version is:
 
“Harry Potter walks into a bar. Because I put them on his bedroom window.“
 
The joke was posted on Twitter on September 25, 2012, and on Reddit—Dadjokes on December 12, 2019.
 
“Harry Potter walks into a bar… Because Uncle Vernon put them on his bedroom window“ was posted on Reddit—Harrypotter on April 27, 2017.
 
   
Wikipedia: Harry Potter
Harry Potter is a series of fantasy novels written by British author J. K. Rowling. The novels chronicle the lives of a young wizard, Harry Potter, and his friends Hermione Granger and Ron Weasley, all of whom are students at Hogwarts School of Witchcraft and Wizardry. The main story arc concerns Harry’s struggle against Lord Voldemort, a dark wizard who intends to become immortal, overthrow the wizard governing body known as the Ministry of Magic and subjugate all wizards and Muggles (non-magical people).
             
Twitter
figuereow9
@figuereow9
Harry Potter walks into a bar. nnBecause I put them on his bedroom window.
11:59 AM · Sep 25, 2012·Twitter Web Client
 
Twitter
Quamrade Nirati | ACAB ✊🏼
@Blahblaholic_
Hahaha xD “@Dursleytime: Harry Potter walks into a bar. Because I put them on his bedroom window.”
4:31 PM · Sep 25, 2012·Twitter for Android
 
Twitter
syd is the #1 ootw & @mike_piora stan
@polaroidofus928
Harry Potter walks into a bar.
Because Uncle Vernon puts them on his window.
10:13 PM · Oct 3, 2012·Twitter Web Client
 
Twitter
Molly White
@mols_balls6
Replying to @Dursleytime
“@Dursleytime: Harry Potter walks into a bar.
Because I put them on his bedroom window.” @khinzzz
5:36 PM · Sep 20, 2013·Twitter for iPhone
 
Twitter
Dhananjay The First
@branfordIII
Harry Potter walks into a bar…because his uncle put them on the windows.
11:55 AM · Jul 11, 2014·Twitter for iPhone
 
Reddit—Harrypotter
Posted by u/pointyteeth April 27, 2017
Harry Potter walks into a bar…
Because Uncle Vernon put them on his bedroom window.
 
Twitter
ŠtěpánekZvážilZměnuŽivotníhoStavu&ZměnilHoNaZadaný
@TenSachovejKluk
Vernon: ,,Harry Potter walks into a bar”
,,Because I put them on his window.”
10:57 AM · Sep 1, 2019·Twitter for Android
   
Reddit—Dadjokes
Posted by u/HayatoMiyazaki December 12, 2019
Harry Potter walks into a bar.
Because I put them on his bedroom window.
 
Reddit—Jokes
Because I put them on his bedroom window.
Posted by u/HayatoMiyazaki February 27, 2020
Harry Potter walks into a bar.
Because I put them on his bedroom window.