>>13773076It's face is incredibly evocative of a plague doctor's mask.
It's ability is Healer, reinforcing the doctor aspect.
It's exclusive to Y, the version focusing on destruction.
It's name, Spritzee, has the German word for 'syringe'.
Plague doctors would use perfumes and heavy pleasant smells in the beak of their masks for two reasons: medieval medicine believed bad air was the source of the plague (thus the mask acted, and somewhat worked, like a gas/surgical mask), and to cover up the godawful scent of dying plague victims.
People HOPE it becomes a plague doctor because a plague doctor fairy flamingo is a very unique idea for a Pokemon.