Have you used M-Mawile?
And Azumarill is so plain and boring just like her whole line. She stole Milotic's spot as the first Water/Fairy
No. But it's a Mega form, it's supposed to be powerful. Even without a Mega, Azu still holds it's own. It's the better Fairy and it doesn't take a Mega slot on top of it.
No one is safe. 
