ChenXian
I think that the Shrek Seven Devils and other people that don't know the truth is gonna suspect/guess that he's a spirit beast later because they never see him when got his spirit ring and he always do it alone. The suspicion is gonna stronger when they all know about Xiao Wu's identity lol. They are gonna be so confused and it'll be an entertaining content to see him being cryptic, being the mysterious and teasing senior/NPC/person.