A correct answer will be specific, ideally a link to the original post of the image. Identifying an account of Snowball also counts if that account posts things in the same style/with the same watermark. If Snowball is actually a reposter/aggregator, they do not count as the source.
Here it is on June 15, 2024, on Reddit: https://www.reddit.com/r/196/comments/1dgy88l Comments mention a source link, but it seems wrong.

Update 2025-03-15 (PST) (AI summary of creator comment): Additional accepted answer scenario:
Answers stating that Snowball posted the image on hgoon.booru and then deleted the account will be accepted if this is proven.
@a11ce No, he's right. You can tell by the fishnet on the arms, villager is AI 100%. Well, at least partly.
@spiderduckpig the hgoon.booru claim is very plausible but the link is just to a mastodon instance so i don't know how glimbo considers that proof. maybe if someone could find anything else by snowball confirmed to be from that site or an archive or something
@spiderduckpig you should add an answer like 'snowball posted it on hgoon.booru then deleted the account'. I'll accept that if it's proven.