A character from Shingeki no Bahamut game and has a supporting role in the Shingeki no Bahamut: Genesis anime. She also appears as a primal beast in Granblue Fantasy, as a dragon in Dragalia Lost and as a Legendary Follower card in shadowverse.
see post #1753397
She is frequently depicted with two hand puppets, Mimi and Coco.
Her 2 puppets, which she always brings along whenever she goes, are sentient. The one with a red bow on her head is Mimi while the other is Coco.