Plague Doctors and Nurses don't have pronouns. Except in this case! Presenting the Valkyrie Plague! Valkyries were female warriors of the Norse God Odin! Need someone to gallop your fallen warriors to the gates of Valhalla? This is your lady: fearsome, and probably not adorable at all. Again, except this one, who is adorable as heck!
Imagine an infinite number of alternate dimensions, sliced thin like salami and all layered together in a delicious sandwich of universes. In these parallel strata of time and space, the Squishables are very, very different.