I wish I knew who these cats were. Image found here.
An explanation?

Date: Mon, 08 Sep 2008 19:01:01 -0400
To: jay@catinabox.org
From: stoaty@XXXXXXX.com
Subject: The famous three cats in three boxes…

Oh! Thanks for reprinting those photos. I was describing the one with the
three cats in three boxes to my boyfriend and then I thought, “I bet
they’ll turn up if [...]

Thanks, Adam!

Thanks, Chris!