>>55861046celesteela? she might be too big to do in the conventional way, and she probably doesn't even have the required parts for that, but i've always had a thing for awkward connections between very incompatible beings. same deal with most of the other weirdos on the list, like xurkitree.
as for the eevees, i'm just not really into quadrupeds as a whole. there's only a few exceptions.