Rain World Factsさんのイラストまとめ

Fact #53: There's an unused graffiti that has Five Pebbles with the yellow dots on him, which is why some artist choose to add it on his design when drawing him.

Fact #9: In Subterranean, there's a very low chance of coming across a Green Overseer in a few specific rooms. It's believed that the Overseer belongs to the Iterator No Significant Harassment.