Have you cleared Mt. Freeze before doing those (at least) three missions? It's a part of the story, there's no way you can miss it.
Also, should've this kind of thing gone to Other Pokemon Games subforum? :thonkazurill:
Granted, just not in the way normal cats go downstairs; yours will outright jump from the upper floor every time they go downstairs. Knowing cats though, I'm sure they gonna survive the fall most of the time.
I wish for a lot of me-times.
I believe all of the forms you're talking about share the same type between each other, so adding more icons for them would be somewhat redundant (though Eternal Floette :floetteeternal: does have its own icon because it has something no other Floette :floette: have). And for things like mega...