Rumia is a bat because of her blindness and darky ness
Seija is a bad dog. "No, Seija, sit, not stand! D:<"
Kaguya is a sloth, a magical sloth for her lazy neetness and magical ness (?)
...
Oh, and Sakuya is a doge too, except a loyal dog. What did people call doge Sakuya again?