It is indeed 4chan, per Know Your Meme:
On April 21st, 2018, an anonymouse 4chan user posted the image in the /x/ forum in a thread about cursed images (shown below).
On May 12th, 2019, an anonymous 4chan user started a thread in the site's paranormal board /x/ inviting users to post pictures of "disquieting images" that just feel "off."...
Variations of this story appear to be very common in Africa and according to African Mythology A to Z no reason is usually given for the second messenger:
A common theme in many stories about the origin of death is the "failed message." In the basic story, two creatures are sent to humans, the first with a message of life and the second with a ...
The Wedding of the Mouse.
I have linked to an Indian version of it, but there are many variants (not all featuring mice), wherein a quest for what is the most powerful has each being in turn claim that another is more powerful, ending with a mouse being most powerful because it can create holes in the last. (Or a woodcutter because he can chop down a tree.)