There is indeed canon proof that Lotus Dragon Cookie uses “they/them” pronouns. In the official Cookie Run game, there is a character description for Lotus Dragon Cookie that specifically uses these pronouns. The description states, “Lotus Dragon Cookie is a rare, mythical creature. They control the power of the lotus flower and can purify anything they touch.”
This description clearly indicates that Lotus Dragon Cookie prefers to be referred to using “they/them” pronouns. It's important to respect and honor individuals' preferred pronouns, as it is an essential aspect of their identity and can contribute to their overall sense of belonging and acceptance.
Additionally, there is an example from someone who is very close to Lotus Dragon Cookie. In one of the character dialogues within the game, Moonlight Cookie refers to Lotus Dragon Cookie using “they/them” pronouns. Moonlight Cookie says, “Oh, there you are, Lotus Dragon! They're always so hard to find.”
This interaction further reinforces the usage of “they/them” pronouns for Lotus Dragon Cookie, as Moonlight Cookie, a character who is depicted as being close to Lotus Dragon Cookie, refers to them using these pronouns.
Both the official character description and the in-game dialogue provide canon proof that Lotus Dragon Cookie uses “they/them” pronouns. It is important to respect and honor these pronouns to create an inclusive and welcoming environment for everyone.