Yes, I had mentioned that I suspected this could be a “little people” version (please 1st response).
The signature on original Little People was just Xavier rather than the full Xavier Roberts like on Cabbage Patch dolls.
Perhaps the way Xavier is written looks like “Ellen” ?
Or, perhaps someone altered the signature for some unknown reason? Possibly erased or otherwise removed the original signature somehow.
There’s always the possibility that it’s a homemade doll. Even though Little People were reasonably priced, a skilled seamstress or ‘fabric artesian’ could make one at home for less. It’s also not unheard of to find imitators trying to match the lines of successful sales lines with their own names on the product.