Board Thread:General Discussion/@comment-26006155-20190425222457/@comment-32182236-20190611115154

"Another him" is probably talking about Deltarune's version of Gaster. During character creation, we have someone who is presumably Gaster telling us to make our vessel.

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Oh, and you might need to brighten the images to get the wingdings of these two secret images. I think we, as the Undertale fanbase, all missed out on an ARG. Which means there could be hints and pieces that are now lost to time... forever. I sure wish I could use Sans' machine and go back in time, to see what other messages might have been hidden on that site at different times.

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But those two images do give us some information, linking Gaster's experiment to Deltarune. And Gaster KNEW about the three heroes.

If Deltarune is Gaster's Entry 17 experiment, then perhaps when he vanished, he didn't actually die-When he was scattered, this very well could have been intentional, so that Gaster could view his own creation-Deltarune.

Though that would mean two other characters also know of Deltarune's existence. I wonder who?

Do note this directly competes with your hypothesis that Gaster was going to genocide most of monsterkind to break the Barrier.