Sakura/Japanese cherry tree flower spirit maybe?

Japan Shinto religion or culture is full of animist type spirits, i.e. anything can have a spirit to interact with.

Kami (spirits) are said to inhabit kodama (old or beautiful (Sakura) trees).

from https://www.jal.co.jp/my/en/guide-to-japan/experiences/cherry-blossom/what-do-cherry-blossoms-represent/index.html

We saw Mr. Villain interacting with Santa already.