Human...gaster?

What if when gaster fell into the core and his soul shattered...what if he was reborn as a human that had knowledge from there first life from our own world?

What if...gaster didn't remember that he was actually gaster but though he was a human from our own world with those memories and knowledge from our own world...well up until sometime after meeting sans and papyrus's aus..

(Different everything, different personalities can just different